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Turtle Island Mitigation Banks in Vermilion Parish

NAME OF APPLICANT: Turtle Island Lake Mitigation, LLC; c/o Pangaea Conservation and Compliance, Attn: Leonard McCauley, P.O. Box 40345, Baton Rouge, LA 70835.

LOCATION OF WORK: The 1,384 acre site is located approximately 6.0 miles south of Forked Island, Louisiana, in Vermilion Parish, as shown on enclosed drawings (Latitude: 29.792113 N, Longitude:–92.313225 W). The Project is located within the Mermentau Basin, Hydrologic Unit 08080202.

CHARACTER OF WORK: Degrade interior levees, elevated roads, and rice dikes, while utilizing approximately 124,000 cubic yards of in situ earthen fill as part of the work to enhance and restore traditional surface hydrology to the site for the construction of a mitigation bank with mixed habitats consisting of coastal prairie, bottomland hardwoods and fresh marsh.

JOINT PUBLIC NOTICE December 11, 2017 United States Army Corps of Engineers New Orleans District Regulatory Branch Post Office Box 60267 New Orleans, La. 70160-0267

State of Louisiana Department of Environmental Quality Post Office Box 4313 Baton Rouge, La. 70821-4313 Attn: Water Quality Certifications

(504) 862-2548/ FAX (504) 862-2574 Jacqueline.R.Farabee@usace.army.mil Project Manager Jacqueline Farabee Permit Application Number MVN-2017-00656-MR

(225) 219-3225 FAX (225) 325-8250 Elizabeth.Hill@la.gov Project Manager Elizabeth Hill WQC Application Number WQC # 171204-03

Interested parties are hereby notified that a permit application has been received by the New Orleans District of the U.S. Army Corps of Engineers pursuant to: [ ] Section 10 of the Rivers and Harbors Act of March 3, 1899 (30 Stat. 1151; 33 USC 403); and/or [ X ] Section 404 of the Clean Water Act (86 Stat. 816; 33 USC 1344). Application has also been made to the Louisiana Department of Environmental Quality, for a Water Quality Certification (WQC) in accordance with statutory authority contained in Louisiana Revised Statutes of 1950, Title 30, Chapter 11, Part IV, Section 2074 A(3) and provisions of Section 401 of the Clean Water Act (P.L.95-17). TURTLE ISLAND MITIGATION BANK IN VERMILION PARISH NAME OF APPLICANT: Turtle Island Lake Mitigation, LLC; c/o Pangaea Conservation and Compliance, Attn: Leonard McCauley, P.O. Box 40345, Baton Rouge, LA 70835. LOCATION OF WORK: The 1,384 acre site is located approximately 6.0 miles south of Forked Island, Louisiana, in Vermilion Parish, as shown on enclosed drawings (Latitude: 29.792113 N, Longitude:­92.313225 W). The Project is located within the Mermentau Basin, Hydrologic Unit 08080202. CHARACTER OF WORK: Degrade interior levees, elevated roads, and rice dikes, while utilizing approximately 124,000 cubic yards of in situ earthen fill as part of the work to enhance and restore traditional surface hydrology to the site for the construction of a mitigation bank with mixed habitats consisting of coastal prairie, bottomland hardwoods and fresh marsh. The comment period for the Department of the Army Permit and the Louisiana Department of Environmental Quality WQC will close 30 days from the date of this joint public notice. Written comments, including suggestions for modifications or objections to the proposed work, stating reasons thereof, are being solicited from anyone having interest in this permit and/or this WQC request and must be mailed so as to be received before or by the last day of the comment period. Letters concerning the Corps of Engineers permit application must reference the applicant's name and the Permit Application Number, and be mailed to the Corps of Engineers at the address above, ATTENTION: REGULATORY BRANCH. Similar letters concerning the

-2Water Quality Certification must reference the applicant's name and the WQC Application number and be mailed to the Louisiana Department of Environmental Quality at the address above. The application for this proposed project is on file with the Louisiana Department of Environmental Quality and may be examined during weekdays between 8:00 a.m. and 4:30 p.m. Copies may be obtained upon payment of costs of reproduction. Corps of Engineers Permit Criteria The decision whether to issue a permit will be based on an evaluation of the probable impacts, including cumulative impacts of the proposed activity on the public interest. That decision will reflect the national concern for both protection and utilization of important resources. The benefit which reasonably may be expected to accrue from the proposal must be balanced against its reasonably foreseeable detriments. All factors which may be relevant to the proposal will be considered including the cumulative effects thereof; among those are conservation, economics, aesthetics, general environmental concerns, wetlands, historic properties, fish and wildlife values, flood hazards, floodplain values, land use, navigation, shoreline erosion and accretion, recreation, water supply and conservation, water quality, energy needs, safety, food and fiber production, mineral needs, considerations of property ownership and, in general, the needs and welfare of the people. The U.S. Army Corps of Engineers is soliciting comments from the public, federal, state, and local agencies and officials, Indian Tribes, and other interested parties in order to consider and evaluate the impacts of this proposed activity. Any comments received will be considered by the U.S. Army Corps of Engineers to determine whether to make, modify, condition, or deny a permit for this proposal. To make this decision, comments are used to assess impacts on endangered species, historic properties, water quality, general environmental effects, and other public interest factors listed above. Comments are used in the preparation of an Environmental Assessment and/or an Environmental Impact Statement pursuant to the National Environmental Policy Act. Comments are also used to determine the need for a public hearing and to determine the overall public interest of the proposed activity. The New Orleans District is unaware of properties listed on the National Register of Historic Places near the proposed work. The possibility exists that the proposed work may damage or destroy presently unknown archeological, scientific, prehistorical, historical sites, or data. Issuance of this public notice solicits input from the State Archeologist and State Historic Preservation Officer regarding potential impacts to cultural resources. After receipt of comments from this public notice the Corps will evaluate potential impacts and consult with the State Historic Preservation Officer and Native American Tribes in accordance with Section 106 of the national Historic Preservation Act, as appropriate. Our initial finding is that the proposed work would neither affect any species listed as endangered, nor affect any habitat designated as critical to the survival and recovery of any endangered species listed by the U.S. Department of Commerce, Utilizing Standard Local Operating Procedure for Endangered Species in Louisiana (SLOPES), dated October 22, 2014, between the U.S. Army Corps of Engineers, New Orleans and U.S. Fish and Wildlife Service, Ecological Services Office, the Corps has determined that the proposed activity would have no effect on any species listed as endangered by the U.S. Department of the Interior.

-3This notice initiates the Essential Fish Habitat (EFH) consultation requirements of the Magnuson-Stevens Fishery Conservation and Management Act. The applicant's proposal would result in the destruction or alteration of 960.7 acre(s) of EFH utilized by various life stages of red drum and penaeid shrimp. Our initial determination is that the proposed action would not have a substantial adverse impact on EFH or federally managed fisheries in the Gulf of Mexico. Our final determination relative to project impacts and the need for mitigation measures is subject to review by and coordination with the National Marine Fisheries Service. If the proposed work involves deposits of dredged or fill material into navigable waters, the evaluation of the probable impacts will include the application of guidelines established by the Administrator of the Environmental Protection Agency. Also, a certification that the proposed activity will not violate applicable water quality standards will be required from the Department of Environmental Quality, before a permit is issued. Any person may request, in writing, within the comment period specified in this notice, that a public hearing be held to consider this application. Requests for public hearings shall state, with particularity, the reasons for holding a public hearing. You are requested to communicate the information contained in this notice to any other parties whom you deem likely to have interest in the matter. The applicant has certified that the proposed activity described in the application complies with and will be conducted in a manner that is consistent with the Louisiana Coastal Resources Program. The Department of the Army permit will not be issued unless the applicant received approval or a waiver of the Coastal Use Permit by the Department of Natural Resources. You are requested to communicate the information contained in this notice to any other parties whom you deem likely to have interested in the matter.

for Martin S. Mayer Chief, Regulatory Branch Enclosure

FINAL PROSPECTUS FOR THE PROPOSED TURTLE ISLAND MITIGATION BANK MVN-2017-00656

Fresh Marsh, Coastal Prairie, and Bottomland Hardwood: Reestablishment, Rehabilitation, Enhancement, and Preservation Vermilion Parish, Louisiana

October 2017

Sponsored By: Turtle Island Lake Mitigation, LLC 300 Rue Beauregard Suites A Lafayette, La 70510

Table of Contents 1.0 INTRODUCTION ................................................................................................... 1 1.1 Site Location ........................................................................................................ 1 2.0 PROJECT GOALS AND OBJECTIVES ................................................................ 1 2.2 Watershed Contributions .......................................................................................... 4 3.0 ECOLOGICAL SUITABILITY OF THE SITE ...................................................... 5 3.1 Land Use ................................................................................................................. 5 3.2 Soils......................................................................................................................... 5 3.3 Hydrology ................................................................................................................ 6 3.4 Vegetation ................................................................................................................ 7 3.5 General Need for the Project in this Area ................................................................ 8 3.6 Technical Feasibility ................................................................................................ 9 4.0 ESTABLISHMENT OF THE MITIGATION BANK ............................................ 9 4.1 Site Restoration Plan ............................................................................................ 9 4.1.1 Hydrologic Restoration ................................................................................... 9 4.1.2 Vegetative Restoration ................................................................................... 10 4.2 Current Site Risks............................................................................................... 15 4.3 Long-Term Sustainability of the Site ................................................................. 15 5.0 PROPOSED SERVICE AREA.............................................................................. 15 6.0 OPERATION OF THE MITIGATION BANK ..................................................... 16 6.1 Project Representatives ...................................................................................... 16 6.2 Qualifications of the Sponsor ............................................................................. 16 6.3 Proposed Long-Term Ownership and Management Representatives ................ 16 6.4 Site Protection .................................................................................................... 16 6.5 Long-Term Strategy ........................................................................................... 17 7.0 REFERENCES ...................................................................................................... 17

Table of Contents List of Tables Table 1: Current Habitat Types and Landuse Table 2: Proposed Mitigation Bank Habitat Types Table 3: Proposed Botttomland Hardwood Species Assemblage to be Planted Table 4: Proposed Potential Coastal Prairie Species to be Planted Table 5: Proposed Potential Fresh Marsh Species to be established

List of Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14

Site Vicinity Map Site Boundary Existing Conditions Mitigation Types Landuse Soils Existing Drainage Proposed Drainage Drainage Area LIDAR Elevations (zoomed in views - Figures 10a-10d) Cross-Section Locations (Cross-Sections - Figures 11a-11j) Botttomland Hardwood Service Area Coastal Prairie Service Area Fresh Marsh Service Area Attachments

Attachment A :

Jurisdictional determination MVN-2013-01087-SC

TURTLE ISLAND MITIGATION BANK PROSPECTUS 1.0

INTRODUCTION

Turtle Island Lake Mitigation, LLC (Sponsor) submits this Prospectus to the U.S. Army Corps of Engineers - New Orleans District (CEMVN) and the Interagency Review Team (IRT) and to the Louisiana Department of Natural Resources (LDNR) to initiate evaluation of the proposed Turtle Island Mitigation Bank (TIMB) in accordance with 33 CFR 332.8(d)(2). The details pertaining to the use of this site as a mitigation bank will be specified in the subsequent mitigation banking instrument (MBI). TIMB consists of 1,384 acres currently used for agricultural purposes (Figures 1 and 2). 1.1

Site Location

The center point of the property is located at latitude 29.792113N and longitude ­92.313225W (approximate center point) in Vermilion Parish, Louisiana. This location includes all or portions of Sections 25 and 36, Township 14 South, and Range 1 East; Sections 30 and 31, Township 14 South, and Range 2 East; and Section 6, Township 15 South and Range 2 East. The property is located in the Hydrologic Unit Code (HUC) 08080202 (Mermentau drainage basin). Driving directions to the site are as follows: The property is located approximately 6.0 miles south of Forked Island, Louisiana. To reach the property from I-10, take exit 100 from I-10 onto N. Ambassador Caffery Parkway (Louisiana Highway 3184). Follow Ambassador Caffery Parkway south for 5.3 miles to U.S. Highway 167. Turn right onto U.S. Highway 167 and continue for 14.8 miles. Turn right onto Veterans Memorial Drive (Louisiana Highway 14) and continue for 5.3 miles. Turn left on Louisiana Highway 695S and continue for 3.0 miles. Turn left on Louisiana Highway 335W and continue for 3.5 miles. Turn left on Louisiana Highway 35S and continue for 15.3 miles. Turn left on to unpaved agricultural road, which will dead end into the southern boundary of the property. 2.0

PROJECT GOALS AND OBJECTIVES

2.1

Aquatic Resource Type and Functions to be Restored/Enhanced/Preserved

This Bank will re-establish, rehabilitate, enhance, and preserve 112.9 acres of bottomland hardwood forest (BLH), 287.7 acres of coastal prairie (CP), and 961.3 acres of fresh marsh (FM).

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TURTLE ISLAND MITIGATION BANK PROSPECTUS Table 1: Current Habitat Types and Landuse (see Figure 3) Habitat Type Landuse Agricultural Agricultural Prior Converted Wetlands

Acreage 342.9

Herbaceous Wetlands

Agricultural

757.5

Forested Wetlands

Agricultural

48.7

Non-Wetlands

Agricultural

136.7

Non-Wetlands

Spoil Banks

70.4

Other U.S. Waters

Natural Drains / Drainage Canals

27.8

Total

---

1,384.0

Table 2: Proposed Mitigation Bank Habitat Types (see Figure 4) Habitat Type Acreage Coastal Prairie

Mitigation Type

287.7

Re-establishment

64.2

Re-establishment

48.7

Enhancement

204.0

Re-establishment

656.6

Rehabilitation

100.7

Preservation

Gapped Levee

13.9

Non-mitigation

Access Road

2.5

Non-mitigation

Other U.S. Waters

5.7

Non-mitigation

Bottomland Hardwood Forest

Fresh Marsh

Total

1,384.0

---

Total Mitigation and Inclusions

1,375.8

---

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TURTLE ISLAND MITIGATION BANK PROSPECTUS As defined by The Natural Communities of Louisiana published in 2009 by the Louisiana Department of Wildlife and Fisheries (LDWF) and the Louisiana Natural Heritage program (LNHP): Bottomland Hardwood forests are forested, alluvial wetlands occupying broad floodplain areas that flank large river systems. BLH forests may be called fluctuating water level ecosystems characterized and maintained by a natural hydrologic regime of alternating wet and dry periods. These forests support distinct assemblages of plants and animals associated with particular landforms, soils, and hydrologic regimes. They are important natural communities for maintenance of water quality, providing a very productive habitat for a variety of fish and wildlife, and are important in regulation of flooding and stream recharge. Coastal prairies, are prairies located within southwestern Louisiana, once very extensive but today are limited to small, remnant parcels. Coastal prairies located along the southern portion of the state may occur on "islands" or ridges surrounded by marsh. Soils are typically saturated in winter and dry in late spring and fall. The region is underlain by a clay pan 6 to 18 inches below the surface that prevents downward percolation of water and inhibits upward movement of capillary water. The diverse vegetation is most often dominated by grasses (with an abundance of forbs); however, trees can be found within coastal prairies within higher elevation (and better drained) areas near stream sides or along ridges, forming "gallery forests". These trees act to divide the Coastal Prairie into many subunits or "coves". The natural demarcation line between the forest and grassland is very sharp. Many plants in Coastal Prairie are the same as ones found in the pine savannahs and flatwoods that occur immediately north of the coastal prairie region. Fire plays a critical role in this natural community. Certain woody species may invade without periodic fire. The transition zone from coastal prairie to pine savannah is extremely diverse as it contains species from both communities. Fresh marsh, are palustrine systems with emergent vegetation. The frequency and duration of flooding in these areas are determined by their microtopography, which together are the primary factors governing species distributions. These areas have the greatest plant diversity and highest soil organic matter content of any marsh. The species composition of these areas varies from site to site but is often dominated by Panicum hemitomon (maidencane). Intermediate marsh, as described in "The Natural Communities of Louisiana," is an estuarine system with intertidal emergent vegetation. It has an irregular tidal regime, is oligohaline, and is dominated by narrow-leaved, persistent species. It is characterized by a diversity of species and is often dominated by Spartina patens (wire grass). These two types of habitats are located adjacent to each other with fresh marshes existing along the northern extent of the coastal marshes, although they may occur beside coastal Bays where freshwater is entering the bay. This project will re-establish, rehabilitate, and enhance fresh marsh, coastal prairie and bottomland hardwood habitat wetland communities so that they become species rich/diverse, sustainable wetland ecosystems. This shall be accomplished through removal of the site from agricultural use; degrading of spoil banks and rice dikes, thereby restoring sheetflow across the property; allowing overflowing of drainage features, thereby temporarily inundating the property; and through vegetative plantings in order to restore a natural assemblage of species, which will create additional wildlife habitat throughout.

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TURTLE ISLAND MITIGATION BANK PROSPECTUS 2.2 Watershed Contributions 2.2.1

Watershed Need

The TIMB is proposed to provide compensatory mitigation for CEMVN approved projects within the Mermentau watershed, which encompasses approximately 1,150 square miles. In recent years, the watersheds to be serviced by the TIMB have seen the some of the highest demand for wetland mitigation in the New Orleans District. Due to development and agriculture, very little native prairie and forest habitat remains in the vicinity of the site (see Figure 5), providing limited habitat for migratory birds and terrestrial wildlife. The restoration of this site will provide 1,375.8 acres of much needed natural habitat. The site will be converted to a more natural ecosystem, while also improving the water quality in the receiving waters downstream of this site. 2.2.2

Watershed Benefits

The TIMB project area is located in the drainage area to Subsegment LA050702 (Intracoastal Waterway ­ from Mermentau River to Vermilion Locks) as designated by Louisiana Department of Environmental Quality (LDEQ). The project area flows to the south via a tributary which drains to the Warren Canal (along southern boundary of the project). Warren Canal then flows to the southeast and drains to Schooner Bayou Canal (approximately 4.6 miles downstream of the project). Schooner Bayou Canal then flows to the east and drains to the Freshwater Bayou Canal (approximately 8.6 miles downstream of the project). Freshwater Bayou Canal then flows to the south and drains to the Gulf of Mexico (approximately 24 miles downstream of the project). Although not identified as impaired in the current 2014 final LDEQ 303(d) list, the LDEQdesignated uses of Fish and Wildlife Propagation (FWP) and Primary Contact Recreation (PCR) for Subsegment LA050702 were identified as impaired in the 2014 final LDEQ 303(d) list. Identified impairments include chlorides, sulfates, temperature, and total dissolved solids (due to natural sources), as well as fecal coliforms (due to septic systems and similar decentralized systems). Due to its past water quality impairments, a Total Maximum Daily Load (TMDL) for total suspended solids was completed for Subsegment LA050702 (Intracoastal Waterway) in January 2001. Additional TMDLs for pesticides (carbofuran) and for dissolved oxygen and nutrients (ammonia and total phosphorus) were completed for Subsegment LA050702 in September 2001 and October 2001, respectively. The cessation of agricultural activities along with degrading spoil banks and rice dikes, and restoration of native habitats for this project will aid in meeting the current and future TMDLs through the resulting water quality improvements due to increased filtration and plant uptake (i.e., nonpoint source pollution prevention). In addition to improvement in water quality due to reduction in non-point source pollution, TIMB will improve plant and wildlife habitat and provide increased wetland function over that which is currently performed by the bank given its current condition.

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TURTLE ISLAND MITIGATION BANK PROSPECTUS 3.0

ECOLOGICAL SUITABILITY OF THE SITE

This section contains both the historical and current ecological and physical information about the Bank Site. 3.1

Land Use 3.1.1

Historical Land Use

The area was cleared of forest and herbaceous wetlands converted to agricultural use around the turn of the 20th century. This was accomplished via the construction of levees and water control structures. 3.1.2

Current Land Use

Property is currently used for agricultural purposes. Different management regimes are utilized for portions of the property. The interior and eastern portions of the property are more intensively managed with multiple crop rotations per year while the western portion is only cropped once every other year. 3.2

Soils

The 1996 and current Vermilion Parish Soil Surveys map the soils located on the site as Ged clay (GE), Gueydan Muck (Gy), Kaplan silt loam (Ka), Edgerly loam (Mr), Allemands mucky peat (AE), and Midland silty clay loam (Mn). A soil map for the TIMB is provided as Figure 6. ·

· ·

· · ·

GE: Ged clay soils are very poorly drained, very slowly permeable soils tht formed in recent, very fluid clayey alluvium of Pleistocene age. These soils are on the landward side of freshwater narshes that have encroached on low coastal prairies. Slopes are less than 1 percent. Gy: Gueydan Muck silt loam soils are level, very poorly drained, firm, mineral soils found in former Freshwater Marshes that are drained and protected (by manmade levees) from flooding. Slopes are less than 1 percent. Ka: Kaplan silt loam soils are level, somewhat poorly drained soils on broad, slightly convex ridges on the Gulf Coastal Prairies. These soils are moderately well suited to woodland. The trees suitable for planting are Water Oak, Sweetgum, and Green Ash. Slopes are typically less than 1 percent. Mr: Edgerly loam soils are level, poorly drained soils located on broad flats on Gulf Coast Prairies. Slopes are less than 1 percent. AE: Allemands mucky peat soils are level, poorly drained organic soils found in freshwater marshes. These soils are usually ponded and frequently flooded. Slopes are less than 1 percent. Mn: Midland silty clay loam consists of poorly drained, very slowly permeable soils located within broad flats and in slightly concave areas on the Gulf Coast

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TURTLE ISLAND MITIGATION BANK PROSPECTUS Prairies. These soils are moderately well suited to woodland. The trees suitable for planting are Water Oak, Sweetgum, and Green Ash. Slopes are generally less than one (1) percent. A wetland delineation conducted in 2013 confirmed that these soils are present on site as depicted within the Vermilion Parish Soil Surveys, do present hydric indicators, and are hydric soils as identified by the Natural Resources Conservation Service. Agricultural use of this property in the past and present has modified the topography and hydrology of the project site. 3.3

Hydrology 3.3.1

Historical Hydrology and Drainage Patterns

TIMB is located within the Mermentau watershed and is currently utilized for agricultural activities including cattle grazing. Prior to agricultural activities, surface water was able to rise and recede from adjacent drainageways or sheetflow across the site. Historical drainage patterns are believed to have been similar to those shown on Figure 8 as proposed (post-restoration) drainage patterns. The tributary to Warren Canal which borders the site along its western boundary (and Warren Canal itself along the southern boundary) are believed to be a historical/natural water features which were supplanted by the existing canals. Historical water sources to the Bank included direct precipitation and overbank flooding from nearby drainageways. Drainage of this property has been impacted by construction/modification of adjacent drainageways (and associated levees/spoil banks and culverts), and construction of ditches (and associated levees/spoil banks and culverts) within the property (see Figure 7). Construction of rice dikes (see Figure 7) also impacted site drainage. Jurisdictional determination MVN-2013-01087-SC was issued by CEMVN for this property on November 19, 2013 (Attachment A). 3.3.2

Existing Hydrology and Drainage Patterns

Natural hydrology has been altered by levees and pumping implemented to improve site conditions for agriculture (since approximately the 1950's). Currently, wetlands and drainageways on-site are hydrologically isolated due to spoil banks along drainageways, elevated roads, and rice dikes (with the exception of the 100.7-acre Fresh Marsh preservation area). Wetland hydrology on-site is currently driven by direct precipitation, which is pumped off. Current and proposed drainage patterns are depicted within Figures 7 and 8. The drainage area associated with the property is depicted in Figure 9, and elevations (LIDAR and 1-foot contours) are depicted on Figures 10-10d.

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TURTLE ISLAND MITIGATION BANK PROSPECTUS

The hydrograph below depicts water levels within the canal along the western boundary of TIMB and CRMS Station 0572 located along the eastern boundary of TIMB over an approximate 6 month period. The two hydrographs show similar tidal influence. The 100.7-acre Fresh Marsh preservation area is not located within areas

impounded by spoil banks along drainageways, elevated roads, and rice dikes; therefore, water is able to rise and recede within the preservation area (as it does in other surrounding natural marsh areas). Those BLH enhancement and re-establishment areas on the site (currently under pump) have ground elevations ranging from 1.0 to 2.0 feet NGVD. Three reference sites with healthy BLH communities (shown on Figure 1) were selected within a 1 to 2 mile distance from the subject property, all of which also had ground elevations ranging from 1.0 to 2.0 feet NGVD. Those Fresh Marsh re-establishment and rehabilitation areas (currently under pump) and Fresh Marsh preservation area (not under pump) on the site all have ground elevations of 0.5 feet NGVD or below. The nearby CRMS station 0572 (3/4 mile from the subject property) serves as a Fresh Marsh reference site, and has a ground elevation of 0.4 feet NGVD (with a mean water level of 1.18 feet). Due to current scarcity of Coastal Prairie habitat in this area, no Coastal Prairie reference sites are available for elevation comparison.

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TURTLE ISLAND MITIGATION BANK PROSPECTUS 3.4

Vegetation 3.4.1 Historical Plant Community

Species assemblages historically present on this site can be assumed to have been similar to existing native habitats in the vicinity of the site and as defined by The Natural Communities of Louisiana published in 2009 by the Louisiana Department of Wildlife and Fisheries (LDWF) and the Louisiana Natural Heritage program (LNHP). (See descriptions of habitat types in Section 2.1 of this Prospectus). 3.4.2

Existing Plant Community

Existing plant communities have been altered due to agricultural use (tilling, pumping, cattle grazing, etc.). The forested areas within the site boundary are found along a ridge that runs through the center of the property. This forested area vegetation is indicative of a by Hackberry - American elm - Green ash Bottonland Forest. The emergent vegetation found in the fields is indicative of a FACW-OBL community heavily impacted by hydrologic modification. Marsh species present in preservation area to the east: Typha latifolia L., Sagittaria lancifolia L., Ludwigia grandiflora (Michx.) Greuter & Burdet, Cladium mariscus (L.) Pohl, Sacciolepis striata (L.) Nash, and Alternanthera philoxeroides (Mart.) Griseb. Marsh species present on site: Pontederia cordata L., Sagittaria lancifolia L., Alternanthera philoxeroides (Mart.) Griseb., Ipomoea sagittata Poir., and Typha latifolia L. . BLH species present on site: Celtis laevigata, Ulmus americana L.,and Fraxinus pennsylvanica. 3.5

General Need for the Project in this Area

The TIMB is proposed to provide compensatory mitigation for CEMVN approved projects within the Mermentau watershed, which encompasses approximately 1,150 square miles. In recent years, the watersheds to be serviced by the TIMB have seen the some of the highest demand for wetland mitigation in the New Orleans District. Due to development and agriculture, very little native prairie and forest habitat remains in the vicinity of the site (see Figure 5), providing limited habitat for migratory birds and terrestrial wildlife. The restoration of this site will provide 1,375.8 acres of much needed natural habitat. The site will be converted to a more natural ecosystem, while also improving the water quality in the receiving waters downstream of this site.

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TURTLE ISLAND MITIGATION BANK PROSPECTUS 3.6

Technical Feasibility

The TIMB has the potential to re-establish, rehabilitate, enhance, and preserve 112.9 acres of bottomland hardwood forest (BLH), 287.7 acres of coastal prairie (CP), and 961.3 acres of fresh marsh (FM). These lands will be protected by a conservation servitude and maintained by a long-term maintenance and protection fund. The site is underlain by hydric soils, according to the NRCS soil survey and verified via field investigations. Despite hydrologic modification of Bank lands, the hydric soil indicators have persisted. A tributary to Warren Canal borders the site along its western boundary, and Warren Canal borders the site along its southern boundary. Following hydrologic restoration (i.e., removal of rice dikes and removal/gapping of spoil banks), water in these drainageways will be allowed to rise and recede on Bank lands during high water events as they did historically. Reference sites (on-site and adjacent to the site) were used to determine the species assemblages which historically existed at the project site. 4.0

ESTABLISHMENT OF THE MITIGATION BANK

4.1

Site Restoration Plan 4.1.1

Hydrologic Restoration

Spoil Banks / Elevated Access Roads / Rice Dikes: Currently, overbank flooding is impeded by spoil banks, elevated roads, and rice dikes. During flood stages sufficient to overtop these impediments, flood waters become impounded behind them. Removal of these impediments will contribute to the ability of flood waters on-site to rise and recede in a more natural regime. Spoil bank material excavated during restoration will be spread over adjacent fields so as not to significantly alter topography or will be removed from site. The access road to remain is currently at grade on the north end and is approximately 0.5-foot higher than surrounding grade on the south end. Based on measured water levels in the adjacent canal and the nearby CRMS station, the southern portion of the access road will be frequently inundated (i.e., will not impact hydrology). While the access road is not planned to be raised or lowered, low-water crossings will be installed (if necessary) to further facilitate drainage.

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TURTLE ISLAND MITIGATION BANK PROSPECTUS Figure 11 depicts the locations of cross-sections, and Figures 11a-11j are crosssections which depict pre-restoration ground elevations at locations of rice dikes to be removed and spoil banks to be gapped (40' every 200') and/or removed. Isle Marrone Drainage District has been consulted with, in regards to the proposed levees to be gapped and removed along the drainage canals to the west and south. The Isle Marrone Drainage District has no objection at this time and will be update periodically if current plan is modified. 4.1.2

Vegetative Restoration

4.1.2.1

BLH Reestablishment and Enhancement Measures

For those 64.2 acres proposed for designation as re-establishment, including cleared wetland areas (cleared prior to 1970 and having remained cleared since that time), an appropriate combination of hard and soft mast producing bare-root stock will be planted. Species assemblages will be selected and planted based on landscape position. Proposed species assemblages to be planted will be representative of a species assemblage historically common to surrounding wetland forest and bayous of the area. These species assemblages are identified in The Natural Communities of Louisiana (Louisiana Natural Heritage Program, August 2009, available at: http://www.wlf.louisiana.gov). A proposed species list is presented in Table 3. Proposed planting spacing in areas designated as re-establishment will be 9'x 9' (for an initial density of 538 trees per acre) for bare-root stock. Initial / interim planting success rates for re-establishment areas will be a minimum of 250 trees per acre for bareroot stock. Long-term success for all replanted areas will be 80% canopy coverage. Escrow or bond sum release rates and monitoring requirements will be consistent with other recently implemented CEMVN approved mitigation banks. Those 48.7 acres of the Bank which are designated as enhancement are currently forested with a mix of native and invasive species and grazed by cattle. The Sponsor will remove the site from agricultural use, remove/control invasive species, enhance wetland hydrology, and provide supplemental planting of bare-root stock. Invasive species within enhancement areas will be removed and stumps will be treated with herbicide. The existing canopy will be assessed with respect to hard to soft mast ratios, and trees will be removed as needed. Bare-root stock will be planted to replace those trees removed and in order to ultimately achieve a hard mast percentage of 50%.

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TURTLE ISLAND MITIGATION BANK PROSPECTUS

Table 3.

Proposed BLH Species Assemblage to be Planted

Scientific Name

Common Name (USDA)

Observed In Reference Site(1)

Bottomland Hardwood Hackberry-American Elm-Green Ash Celtis laevigata Hackberry Yes Ulmus americana L. American elm Yes Fraxinus pennsylvanica Green ash Yes Carya aquatica Water hickory Yes Quercus nigra L. Water oak Yes Quercus phellos L. Willow oak Yes Quercus texana Buckley Nuttall oak Yes Quercus lyrata Overcup oak Yes Liquidambar styraciflua L. Sweetgum Yes Acer rubrum L. var. Drummond's drummondii (Hook. & Arn. maple Ex Nutt.) Sarg.

Yes

Wetland Indicator Status Region 2 (USDA)

Percent Composition (%)

Yes Yes Yes Yes Yes Yes Yes Yes Yes

FACW FAC FACW OBL FAC FACW FACW OBL FAC

12% 12% 12% 10% 10% 10% 10% 10% 7%

Yes

OBL

Recorded In Vermilion Parish (USDA)

(1) A nearby reference site of a natural (healthy) bottomland hardwood community was selected on which vegetative surveys were conducted.

4.1.2.2

Coastal Prairie Re-establishment Measures

For those 287.7 acres proposed for designation as Coastal Prairie reestablishment, an appropriate assemblage of coastal prairie species will be planted. Species assemblages will be selected and planted based on landscape position. Proposed species assemblages to be planted will be representative of a species assemblage historically common to surrounding wetland prairies of the area. These species assemblages are identified in The Natural Communities of Louisiana (Louisiana Natural Heritage Program, August 2009, available at: http://www.wlf.louisiana.gov). A proposed list of possible species to be planted is presented in Table 4. Proposed coastal prairie areas designated as re-establishment will be prepared by applying herbicides and tilling soil to remove invasive species prior to planting. Coastal prairie areas will be replanted with seed from local suppliers or harvested from local habitats. Coastal prairie habitat will be maintained by prescribed burning on a 1-3 year cycle. Escrow or bond sum release rates and monitoring requirements will be consistent with other recently implemented CEMVN approved mitigation banks.

11

7%

TURTLE ISLAND MITIGATION BANK PROSPECTUS

Table 4.

Proposed Potential Coastal Prairie Species to be Planted Common Name (USDA)

CP Coefficient of Conservation (USGS)

Coastal Prairie Agalinis fasciculata

Beach Purple False Foxglove

3

Agalinis purpurea

Purple False Foxglove

Scientific Name

W6

Wetland Indicator Status Region 2 (USDA) FAC FACW

Winter Bent Grass

4

FAC

Amsonia tabernaemontana

Eastern Bluestar

6

FACW

Andropogon gerardii

Big Bluestem

9

FAC

Andropogon glomeratus

Bushy Bluestem

3

FACW

Elliot's Bluestem

-

FAC

Andropogon virginicus

Broomsedge

2

FAC

Aristida purpurascens

Three Awn Grass

8

FACW

Arnoglossum ovatum

Egg-leaf Indian Plantain

9

FAC

Tall Blue Aster

-

FACW

Aster puniceus

Roughstem Aster

-

OBL

Bidens aristosa

Beaded Beggar's Ticks

3

FACW

Buchnera Americana

American Blue Hearts

9

FAC

Caric Sedges

-

FACW

Wild Chervil

1

FAC

Coreopsis pubescens

Star Tickseed

-

FAC

Coreopsis tinctoria

Plains Tickseed

3

FAC

Coreopsis tripteris

Tall Tickseed

7

FAC

Toothache Grass

8

FACW

Agrostis hyemalis

Andropogon gyrans

Aster praealtus

Carex spp. Chaerophyllum tainturieri

Ctenium aromaticum Dichanthelium commutatum

Variable Panic Grass

W5

Dichanthelium dichotomum Dichanthelium b l Dichanthelium acuminatum

Cypress Panic Grass Panic Grass Tapered rosette grass Velvet Panic Grass Dwarf Spikerush Elliot Lovegrass Coastal Love Grass Showy Daisy Fleabane Fleabane Button Snakeroot Boneset Roundleaf Boneset Flat-topped Goldenrod Vernal Sneezeweed Narrow Leaf Sunflower Crimsoneyed Mallow Soft Rush

W6

Dichanthelium scoparium Eleocharis parvula Eragrostis elliottii Eragrostis refracta Erigeron philadelphicus Erigeron strigosus Eryngium yuccifolium Eupatorium perfoliatum Eupatorium rotundifolium Euthamia leptocephala Helenium vernale Helianthus angustifolius Hibiscus moscheutos Juncus effusus

12

7 4 W3 0 5 9 4 7 5 5 W7 2

FAC FAC OBL FAC FACW OBL FACW FACW FAC FAC FAC FACW FAC FACW FACW FACW OBL FACW

TURTLE ISLAND MITIGATION BANK PROSPECTUS

Scientific Name Coastal Prairie Liatris spicata Lobelia puberula Muhlenbergia capillaris Panicum anceps Panicum virgatum Paspalum floridanum Paspalum plicatulum Penstemon digitalis Penstemon laxiflorus Prunella vulgaris Psoralea simplex Pycnanthemum albescens Pycnanthemum muticum Pycnanthemum tenuifolium Rhexia mariana Rhynchospora caduca Scutellaria integrifolia Sisyrinchium angustifolium Solidago rugosa Solidago sempervirens Symphyotrichum dumusom Symphyotrichum lateriflorum Tradescantia ohiensis Tridens ambiguus Tridens strictus Tripsacum dactyloides Vernonia gigantea

4.1.2.3

Common Name (USDA)

Blazing Star Purple Dew Drop Coastal Muhly Grass Beaked Switchgrass Switchgrass Florida Paspalum Brownseed Paspalum Smooth Beardtongue Beardtongue Common Self-heal Single Stem Snakeroot Whiteleaf Mountain Mint Lowland Mt. Mint Thin Leaf Mt. Mint Maryland Meadow Beauty Anglestem Beaksedge Helmet Flower Narrowleafed Blue-eyed G Roughleaf Goldenrod Seaside Goldenrod Rice Button Aster Calico Aster Common Spiderwort Pine Barren Tridens Long-spike Tridens Eastern Gamma Giant Ironweed

CP Coefficient of Conservation (USGS)

10 8 6 8 6 9 8 2 6 7 7 7 7 9 5 10 W4 4 9 5

Wetland Indicator Status Region 2 (USDA) FAC FACW FAC FAC FAC FACW FAC FAC FAC FAC FAC FAC FAC FACW FACW OBL FAC FACW FAC FACW FAC FAC FAC FACW FACW FAC FAC

Fresh Marsh Reestablishment & Rehabilitation & Preservation Measures

For those 860.6 acres proposed for designation as Fresh Marsh re-establishment and rehabilitation, an appropriate assemblage of fresh marsh species will be established via planting and natural recruitment. Species assemblages will be selected and planted based on elevation. Proposed species assemblages to be planted will be representative of a species assemblage historically common to surrounding fresh marsh of the area. These species assemblages are identified in The Natural Communities of Louisiana (Louisiana Natural Heritage Program, August 2009, available at: http://www.wlf.louisiana.gov). A proposed list of possible species to be planted is presented in Table 5.

13

TURTLE ISLAND MITIGATION BANK PROSPECTUS Proposed fresh marsh areas designated as re-establishment and rehabilitation will be prepared by applying herbicides to invasive species, burning, and tilling soil where rice levees may have compacted soils prior to planting. Fresh marsh areas will be planted with nursery stock from regional suppliers or seed harvested from adjacent/local habitats. Escrow or bond sum release rates and monitoring requirements will be consistent with other recently implemented CEMVN approved mitigation banks. Table 5.

Proposed Potential Fresh Marsh Species to be established

Scientific Name Fresh Marsh Panicum hemitomon Eleocharis spp. Sagittaria lancifolia Sagittaria latifolia Spartina patens Bacopa monnieri Ceratophyllum Cyperus odoratus Pontederia cordata Peltandra virginica Hydrocotyle spp. Lemna minor Nymphaea odorata

Common Name (USDA)

Wetland Indicator Status Region 2 (USDA)

Maidencane Spikerush Bulltongue Duck potato Wire grass Coastal water hyssop Coontail Fragrant flatsedge Pickerelweed Arrow arum Pennnyworts Common duckweed White waterlilly

OBL OBL OBL OBL FACW OBL OBL FACW OBL OBL OBL OBL OBL

For those 100.7 acres proposed for designation as Fresh Marsh preservation, those areas will be protected in perpetuity by a conservation servitude. This will provide for connectivity of Fresh Marsh land to those restored acres to the north and west. 4.1.2.5

Invasive Species Control

Invasive plant species such as Chinese tallowtree (Triadica sebiferum) will be removed by cutting or herbicidal treatment during initial planting. The percent cover of invasive plants will be monitored during long-term and short-term success monitoring, and appropriate action will be taken if needed. 4.1.2.6

Monitoring

Monitoring and reporting activities (to be detailed in the MBI) will be commensurate with other recently approved mitigation banks and current MBI templates.

14

TURTLE ISLAND MITIGATION BANK PROSPECTUS 4.2

Current Site Risks

While there is no immediate threat of conversion to a more intensive landuse for this site (or any known proposed development on any adjacent properties), continued use of this site for agricultural purposes would further degrade the water quality of the receiving water bodies and would provide limited benefit to wildlife habitat. TIMB is free of liens and encumbrances. TIMB and adjacent properties are within unincorporated land and are absent of zoning regulations. Louisiana Civil Code, Article 490, treats water resources under the theory of absolute ownership and rule of capture, provided capture does not result in harm to neighbors. 4.3

Long-Term Sustainability of the Site

TIMB will be self-sustaining, requiring minimal maintenance after the final success criteria are met. No structures are proposed or would be necessary to assure hydrologic or vegetative restoration.

5.0

PROPOSED SERVICE AREA TIMB is located primarily in the Hydrologic Unit Code (HUC) 08080202.

TIMB will provide BLH mitigation credits primarily to the HUC 08080202 area and secondarily to the Mermentau drainage basin (HUC 08080201) (Figure 12). TIMB will provide Coastal Prairie mitigation credits primarily to the HUC 08080202 area and secondarily to HUCs 08080201, 08080203, 08080204, 08080205, 08080206, 08080102, and 08080103 (Figure 13). TIMB will provide FM mitigation credits primarily to the HUC 08080202 area and secondarily to the Chenier plains (HUCs 08080206 and 08080103) (Figure 14). These proposed service areas are consistent with the LRAM and other CEMVN approved mitigation banks within this region.

15

TURTLE ISLAND MITIGATION BANK PROSPECTUS 6.0

OPERATION OF THE MITIGATION BANK

6.1

Project Representatives

Sponsor:

Turtle Lake Island Mitigation, LLC POC: Bart Bellaire 300 Rue Beauregard Suites A Lafayette, La 70510

Agent:

Pangaea Conservation & Compliance, LLC P.O. Box 40345 Baton Rouge, LA 70835

Landowner / Long-Term Manager: Olivia Rae Farms, LLC POC: Bart Bellaire 300 Rue Beauregard Suites A Lafayette, La 70510 6.2

Qualifications of the Sponsor

Turtle Lake Island Mitigation staff members have extensive experience in land management and currently manage thousands of acres for wildlife habitat. 6.3

Proposed Long-Term Ownership and Management Representatives

The long-term owner of the bank is proposed to be Olivia Rae Farms, LLC, and the long-term management of the bank is proposed to be conducted by Olivia Rae Farms, LLC. A long-term maintenance and protection escrow account will provide funding for long-term boundary maintenance and site protection, into perpetuity. These long-term maintenance and site protection activities will be conducted by the Sponsor. The conservation servitude will protect the site from any activities that would diminish the quality of restored wetlands on the site. No structures are proposed or would be necessary to assure hydrologic or vegetative restoration. 6.4

Site Protection

TIMB will be protected in perpetuity by a conservation servitude pursuant to Louisiana Revised Statute 9:1271 et seq. The servitude will be held by U.S. Land Conservancy (Holder), a conservation-oriented 501(c)(3) organization. The servitude will inure and run with the property title. The servitude will prohibit activities, such as clear cutting, fill discharges, cattle grazing, or other commercial surface development that would diminish the quality or quantity of restored wetlands. 16

TURTLE ISLAND MITIGATION BANK PROSPECTUS 6.5

Long-Term Strategy

A long-term maintenance and protection escrow account will provide funding for long-term boundary maintenance and site protection, into perpetuity. These long-term maintenance and site protection activities will be conducted by the Sponsor. The conservation servitude will protect the site from any activities that would diminish the quality of restored wetlands on the site. No structures are proposed or would be necessary to assure hydrologic or vegetative restoration. 7.0

REFERENCES

Code of Federal Regulations, Title 33, Parts 325 and 332 and Title 40, Part 230, as published on pages 19594-19704 in the Federal Register dated 10 April 2008. United States Department of Agriculture ­ Natural Resources Conservation Service, Web Soil Survey, Vermilion Parish, Louisiana, Retrieved December 2010. http://soils.usda.gov/survey/online_surveys/louisiana/index.html United States Department of Agriculture ­ Natural Resources Conservation Service, PLANTS Database ­ USDA PLANTS, Retrieved June 2009. http://plants.usda.gov/ Louisiana Department of Environmental Quality 303(d) Impaired Waterbodies List, 2016.

17

BLH Reference ! ( Site (1.0'-2.0' NGVD) CRMS Station 0572 - Marsh Reference Site ! ( (0.4' NGVD) ! ( BLH Reference Site (1.0'-2.0' NGVD)

! ( BLH Reference Site (1.0'-2.0' NGVD)

Legend Study Area (1,384.0 ac.)

0

0.5

¯

1

2 Miles

SITE VICINITY MAP Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 1 Date: October 2017 Scale:1:100,000

Legend Study Area (1,384.0 ac.)

0

¯

1,000

2,000

3,000

4,000 Feet

SITE BOUNDARY Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 2 Date: October 2017 Scale: 1:17,000

Legend Study Area (1,384.0 ac.) Prior Converted Farmland (342.9 ac.) Herbaceous Wetland (757.5 ac.) Forested Wetland (48.7 ac.) Spoil Banks (Upland - 70.4 ac.) Upland (136.7 ac.) Water (27.8 ac.)

0

¯

1,000

2,000

3,000

4,000 Feet

EXISTING CONDITIONS Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 3 Date: October 2017 Scale: 1:17,000

Legend Study Area (1,384.0 ac.) Reestablishment: BLH (64.2 ac.) Enhancement: BLH (48.7 ac.) Reestablishment: CP (287.7 ac.) Reestablishment: FM (204.0 ac.) Rehabilitation: FM (656.6 ac.) Preservation: FM (100.7 ac.) Road to Remain At Grade (2.5 ac.) Levee to Remain with Gaps (13.9 ac.) Water (5.7 ac.)

0

¯

1,000

2,000

3,000

4,000 Feet

PROPOSED MITIGATION TYPES Turtle Lake Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 4 Date: October 2017 Scale: 1:17,500

0 0.25 0.5

1 Miles

Legend Study Area (1,384.0 ac.) 1 mile buffer around property

GAP Landuse Agriculture - Cropland - Grass (40.9%) Fresh Marsh (42.5%) Upland Forest - Mixed (0.2%) Vegetated Urban (0.2%) Water (12.8%) Wetland Forest - Deciduous (0.4%) Wetland Scrub/Shrub - Deciduous (2.9%)

¯

LAND USE/LAND COVER WITHIN 1 MILE BUFFER Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 5 Date: October 2017 Scale: 1:50,000

Legend Study Area (1,384.0 ac.)

Soil - % Hydric 0 5 9 80 90 93 100

Soil Type AE - Allemands mucky peat GE - Ged Clay Gy - Gueydan Muck Jd - Judice Silty Clay Loam Ka - Kaplan Silty Clay Loam Mn - Midland Silty Clay Loam Mr - Edgerly Loam

0

1,000

W - Water

¯

2,000 Feet

SOILS MAP Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 6 Date: October 2017 Scale: 1:17,000

!

!

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Warren Canal Tributary

!

!

!

!

W ar r 0

1,000

2,000 Feet

en

Ca na l "

Legend Study Area (1,384.0 ac.) Water Ditch - Remove (62,686 ft) Flow Direction Road to Remain !

!

Spoil Bank - Gap 40' every 200' (12,521 ft) Spoil Bank - Remove (97,627 ft)

Pump to Warren Canal

Rice Dike to be Removed (76,380 ft) "

¯

Pump - Remove

EXISTING DRAINAGE Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 7 Date: November 2017 Scale: 1:17,000

!

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Warren Canal Tributary

NOTES: (1) Material excavated from levee gaps is proposed to be used to construct"hummocks"along interior side of those portions of the adjacent "levee to remain". (2) Figure 15a depicts a plan view & Figure 15b depicts cross-sections for both typical levee gap and typical levee to remain / hummock.

W ar r

en

Ca na l

Legend Study Area (1,384.0 ac.) Water Post Project Flow Road to Remain !

!

¯

0

1,000

Spoil Bank - Gap 40' every 200' (12,521 ft)

PROPOSED DRAINAGE Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 8 Date: November 2017 Scale: 1:17,000

2,000 Feet

Legend Study Area (1,384 ac.) Drainage Area (3,238 ac.)

0

¯

0.5

1

2 Miles

DRAINAGE AREA Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 9 Date: October 2017 Scale: 1:75,000

Legend Study Area (1,384.0 ac.)

LIDAR Elevations Value High : 5 Low : -1.5

0

¯

1,000

2,000 Feet

The entire site, with the exception of portions of the western and southern levee, lies below elevation 5 ft NGVD.

LIDAR ELEVATIONS Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 10 Date: October 2017 Scale:1:17,000

0

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LIDAR / 1 FT CONTOUR ELEVATIONS Turtle Island Mitigation Bank Vermilion Parish, Louisiana

1

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ELEVATION

423

Study Area (1,384.0 ac.)

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Figure: 10 Date: October 2017 Scale:1:7,500

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1 1 0 1 Lo 0 2 2 3 1 1 3 0 1 1 1 11 w 11 3 1 :1 1. 0 0 0 1 5 0 0 0 1 0 0 0 1 2 10 0 00 0 1 1 1 1 1 0 1 0 0 0 1 0

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LIDAR / 1 FT CONTOUR ELEVATIONS Turtle Island Mitigation Bank Vermilion Parish, Louisiana

1

1 2

1

1

1

11 1

0

1

0 0

2

1

1

1

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1 0 0 1 0 1 1 1 1 1 22 3 2 0 3 1 1 ELEVATION 0 0 -1 0 1 1 1 2 1 2 1 1 1 1 1 -3 ft 2 1 3 3 1 1 33 1 1 1 0 -2 ft 1 11 1 0 0 2 1 1 1 1 33 3 1 1 0 0 0 00 -11 ft 1 1 1 1 2 1 11 0 3 0 1 1 2 23 0 3 1 2 0 ft 1 2 0 0 21 0 0 3 1 11 1 1 1 3 1 1 1 1 ft 2 31 1 11 1 2 1 1 2 0 1 1 1 1 2 ft 1 2 1 1 1 2 1 1 1 111 1 1 11 1 1 23 2 1 1 3 ft 1 2 0 1 11 0 1 1 1 1 0 1 0 1 0 2 2 12 2 31 1 3 0 0 1 1 1 4 ft 1 1 1 2 2 21 1 0 1 2 1 12 0 22 1 1 1 5 ft 0 0 0 0 1 1 2 1 0 1 0 11 2 2 1 11 1 2 6 ft 0 0 1 2 2 0 0 2 1 1 1 0 0 7 ft 1 11 2 1 1 2 0 1 0 1 1 0 11 8 ft 0 2 1 1 21 1 1 2 2 0 0 2 0 9 ft1 2 1 1 1 1 1 10 ft 1 2 21 2 0 0 1 1 2 2 2 Value 1 1 1 0 0 2 1 0 0 1 1 0 21 0 0 1 1 0 0 1 2 1 0 1 2 2 1 0 0 2 2 2 1 1 2 0 0 1 1 2 2 0 2 1 0 3 2 1 1 2 2 2 33 3 1 3 1 1 31 1 1 2 1 0 0 0 3 0 0 0 1,0000 2,000 1 0 1 1 1 0 11 0 2 2 1 -1 1 1 Feet 1 0 1 1 1 1 1 2 0 1 12 3 1 0 0 0 1

Study Area (1,384.0 ac.) 1

2

1

12

1

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Figure: 10c Date: October 2017 Scale:1:7,500

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LIDAR / 1 FT CONTOUR ELEVATIONS Turtle Island Mitigation Bank Vermilion Parish, Louisiana

0

6 6

3

2

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1

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1

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2 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 22 1 1 0 33 1 0 0 1 2 2 1 1 2 4 2 1 3 1 43 1 1 1 2 0 0 0 0 0 20 0 1 1 1 1 1 3 2 0 3 2 11 1 2 0 0 1 1 3 2 0 1 1 1 3 1 1 0 1 0 2 1 0 1 3 1 3 1 0 2 21 2 1 1 2 0 0 1 2 2 23 1 1 1 1 3 1 1 0 0 0 3 0 3 3 12 1 1 2 1 3 1 Legend 3 4 1 2 3 1 33 1 1 2 2 2 2 2 1 2 3 2 Study Area (1,384.0 ac.) 0 2 4 2 2 1 4 2 22 1 3 2 2 2 12 ELEVATION 3 -1 3 2 2 0 2 1 1 -1 0 2 -3 -3 -3 -3 0 2 1 2 23 2 33 -3 ft 2 43 0 0 1 2 1 1 2 0 2 2 32 3 -2 ft 1 0 2 2 0 3 3 0 0 -1 ft 23 4 1 1 5 4 1 1 3 1 5 0 ft 1 3 1 0 2 -3 1 3 32 3 2 2 0 1 ft 3 2 2 0 1 11 0 2 2 2 5 6 2 53 2 ft 1 2 2 2 2 2 1 1 3 5 3 2 1 1 1 2 1 2 2 1 3 ft 6 2 11 1 3 1 2 2 2 1 0 0 3 1 11 3 4 ft 3 1 2 2 2 1 2 1 1 7 5 3 2 -2 5 ft 2 1 1 1 6 2 3 5 1 3 2 1 3 2 1 1 2 2 5 6 ft 1 1 1 1 1 2 2 1 1 2 4 1 1 5 2 1 1 1 71 ft 1 1 2 1 0 4 11 3 1 55 2 1 5 3 1 1 3 1 5 2 3 1 1 8 ft 2 1 3 1 5 1 1 4 11 2 1 2 1 4 2 0 1 91ft 1 2 2 1 1 1 2 1 1 1 1 5 4 2 1 1 3 1 1 1 5 4 1 2 3 10 1ft 1 1 3 2 2 1 1 Value 1 1 4 2 1 2 1 2 1 1 1 3 5 11 1 1 22 2 2 1 45 1 1 1 1 1 2 1 3 1 2 2 1 1 4 2 4 1 1 2 2 2 1 2 2 1 7 1 1 1 1 1 2 67 22 3 5 2 1 1 2 2 8 1 2 2 2 2 1 1 1 2 1 1 0 8 3 2 1 1 1 2 2 1 1 1 4 2 1 2 2 1 4 5 1 2 1 141 1 2 2 1 1 5 1 1 1 4 2 1 5 4 4 3 1 3 23 22 1 1 1 1 4 2 1 1 1 2 3 3 11 11 1 -1 3 -1 1 3 3 2 1 2 2 2 1 1 1 2 22 2 12 2 2 0 1,000 2,000 1 2 20 1 1 1 1 3 2 23 1 2 1 4 1 1 1 Feet 1 1 5 52 4 2 5 5 3 1 1 1 1 5 1 1 1 1 11 1 2 -2 1 -1 0 -1 0 0 0 -2

1 11 1 1 1 1 2 1. 2 1 6 1 1 13 3 5 3 3 3 11 2 1 1 22 1 1 0 0 2 1 1 2 1 1 1 3 1 2 1 2 1 1 1 1 1 13 3 0 1 2 0 1 33 2 1 1 0 0 33 0 1 2 0 -1 1 33 11 3 0 0 0 1 1 33 0 0 3 0 1 10 2 0 2 1 1 1 4 3 22 0 1 0 1 3 3 3 5 3 3 1 1 1 1 4 0 3 3 1 10 2 4 4 423 1 2 5 5 1 1 5 4 0 1 3 2 2 1 2 4 4 2 2 44 544 2 11 4 2 2 2 3 2 1 0 0 2220 1 2 2 2 1 2 2 1 2 0 2 0 1 2 1 0 2 0 1 1 1 2 2 2 5 2 3 12 1 1 2 2 2 1 3 0 1 2 2 10 0 1 2 1 1 1 1 0 1 1 2 0 1 1 1 5 1 0 2 43 2 2 0 2 0 2 3 2 3 0 23 3 9 0 3 8 7 2 3 3 1 1 1 5 7 0 1 0 7 8 1 1 7 88 43 0 1 22 1 1 1 2 0 2 0 3 3 3 0 1 7 2 0 3 7 2 0 7 2 11 3 33 0 2 2 0 4 3 7 2 3 1 34 1 0 0 0 1 1 1 22 0 3 1 0 3 3 1 3 1 0 1 1 0 0 00 11 33 3 2 1 2 3 2 0 0 1 1 0 3 3 34 0 0 1 1 0 1 0 3 0 2 20 1 2 1 0 0 1 3 3 434 3 2 1 7 1 1 1 1 3 1 2 2 3 00 0 0 0 1 3 33 2 1 2 1 1 1 11 2 3 3 0 0 1 21 4 2 1 1 2 0 0 1 1 2 2 1 3 5 3 3 13 1 0 21 0 0 2 0 0 3 2 2 0 2 11 0 2 2 01 2 3 0 0 5 2 1 3 33 3 3 0 2 1 2 0 3 5 2 33 4 2 0 2 2 00 33 0 1 2 2 5 0 0 2 5 2 4 3 0 1 0 23 0 2 2 3 1 5 5 0 12 4 1 1 2 1 0 2 3 0 2 1 1 00 2 1 1 4 00 1 1 1 1 1 2 -1 4 4 0 -1 1 0 0 1 2 0 1 11 3 0 1 1 2 21 1 1 -1 2 1 1 1 2 -1 -1 2 2 2 1 11 2 3 -1 1 1 01 1 33 3 1 10 0 2 2 3 1 1 1 1 33 1 1 1 1 1 3 0 1 0 2 3 1 1 1 2 3 1 1 1 1 1 1 1 2 1 1 3 1 1 1 2 1 1 1 1 1 1 2 11 1 3 1 1 1 1 1 1 1 1 3 3 1 1 1 1 2 1 1 1 1 0 1 1 1 1 3 3 1 1 1 11 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 11 1 2 1 1 1 1 0 1 2 1 1 1 0 1 1 1 1 0 2 0 1 1 1 1 1 1 1 1 3 23 1 1 1 0 1 1 2 0 5 3 5 42 0 1 1 0 3 3 1 4 1 1 1 1 2 0 1 1 1 1 1 1 1 11

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1 1 0 1 1 0 0 6 6 6 1 1 0 1 4 55 1 1 1 1 0 1 2 3 0 1 3 -1 0 0 3 1 1 3 2 1 0 0 2 1 2 1 3 2 32 4 1 2 0 0 1 3 7 3 1 1 1 2 0 1 0 1 0 1 3 0 5 0 1 0 11 1 5 2 1 6 1 Legend 1 1 5 1 5 0 21 1 1 1 1 1 5 3 1 1 5 2 2 Study Area (1,384.0 ac.) 4 10 1 1 0 4 1 2 0 1 0 1 1 2 1 1 6 2 ELEVATION 0 1 32 1 1 2 1 3 5 1 0 0 1 2 0 2 -3 1ft 54 2 1 22 4 0 1 3 1 1 5 1 1 0 -2 ft 2 1 5 54 3 2 75 2 2 2 2 0 0 01 0 5 0 1 1 4 7 -1 ft 2 1 1 1 3 0 0 0 0 2 1 22 2 2 1 0 1 3 02 ft 1 4 5 78 2 2 0 1 0 4 1 4 22 1 1 3 1 4 0 3 0 1 ft 1 1 1 2 1 1 2 0 1 1 1 1 1 1 1 3 2 ft 1 1 1 1 1 1 3 2 22 21 3 6 1 1 7 3 ft 2 0 1 12 312 1 2 1 1 2 2 2 13 2 1 1 65 1 1 1 1 1 5 4 4 2 3 4 ft 1 4 3 1 1 5 45 5 5 1 8 4 6 34 2 5 1 1 1 3 2 1 6 5 2 5 ft 11 1 5 1 1 3 2 52 5 6 ft 1 2 1 1 1 2 1 1 22 2 7 1 1 1 7 ft 2 1 1 1 2 2 1 2 1 7 1 1 1 3 22 1 1 1 7 1 8 ft 1 1 1 1 1 1 6 1 1 2 2 1 2 1 1 1 1 2 2 1 9 ft 2 2 1 2 1 2 11 1 1 1 1 1 2 1 1 7 10 ft 1 1 1 2 1 1 2 1 1 1 2 2 11 65 1 2 2 4 2 1 2 1 Value 1 4 34 3 1 3 1 3 3 12 3 5 1 1 1 2 2 22 3 2 5 1 1 1 2 1 5 2 2 1 1 1 2 1 3 2 1 2 6 2 2 1 1 22 2 4 1 1 2 1 2 33 1 2 3 5 1 1 3 1 1 1 1 1 2 2 2 1 1 11 5 2 1 2 1 1 1 2 11 1 2 1 2 1 2 2 2 6 1 2 1 5 1 1 1 1 2 3 2 2 1 2 5 2 2 2 1 3 3 2 2 5 1 5 2 2 1 2 1 2 3 2 2 1 1,000 2 2 1 2,000 1 2 10 4 1 5 2 2 5 3 2 2 Feet 1 2 2 1 1 1 2 1 2 23 2 4 1 3 2

51

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Turtle Island Mitigation Bank Vermilion Parish, Louisiana

1

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LIDAR / 1 FT CONTOUR ELEVATIONS Figure: 10d Date: October 2017 Scale:1:8,500

1 11 1 1 1 1 2 1. 2 1 6 1 1 13 3 5 3 3 3 11 2 1 1 22 1 1 0 0 2 1 1 2 1 1 1 3 1 2 1 2 1 1 1 1 1 13 3 0 1 2 0 1 33 2 1 1 0 0 33 0 1 2 0 -1 1 33 11 3 0 0 0 1 1 33 0 0 3 0 1 10 2 0 2 1 1 1 4 3 22 0 1 0 1 3 3 3 5 3 3 1 1 1 1 4 0 3 3 1 10 2 4 4 423 1 2 5 5 1 1 5 4 0 1 3 2 2 1 2 4 4 2 2 44 544 2 11 4 2 2 2 3 2 1 0 0 2220 1 2 2 2 1 2 2 1 2 0 2 0 1 2 1 0 2 0 1 1 1 2 2 2 5 2 3 12 1 1 2 2 2 1 3 0 1 2 2 10 0 1 2 1 1 1 1 0 1 1 2 0 1 1 1 5 1 0 2 43 2 2 0 2 0 2 3 2 3 0 23 3 9 0 3 8 7 2 3 3 1 1 1 5 7 0 1 0 7 8 1 1 7 88 43 0 1 22 1 1 1 2 0 2 0 3 3 3 0 1 7 2 0 3 7 2 0 7 2 11 3 33 0 2 2 0 4 3 7 2 3 1 34 1 0 0 0 1 1 1 22 0 3 1 0 3 3 1 3 1 0 1 1 0 0 00 11 33 3 2 1 2 3 2 0 0 1 1 0 3 3 34 0 0 1 1 0 1 0 3 0 2 20 1 2 1 0 0 1 3 3 434 3 2 1 7 1 1 1 1 3 1 2 2 3 00 0 0 0 1 3 33 2 1 2 1 1 1 11 2 3 3 0 0 1 21 4 2 1 1 2 0 0 1 1 2 2 1 3 5 3 3 13 1 0 21 0 0 2 0 0 3 2 2 0 2 11 0 2 2 01 2 3 0 0 5 2 1 3 33 3 3 0 2 1 2 0 3 5 2 33 4 2 0 2 2 00 33 0 1 2 2 5 0 0 2 5 2 4 3 0 1 0 23 0 2 2 3 1 5 5 0 12 4 1 1 2 1 0 2 3 0 2 1 1 00 2 1 1 4 00 1 1 1 1 1 2 -1 4 4 0 -1 1 0 0 1 2 0 1 11 3 0 1 1 2 21 1 1 -1 2 1 1 1 2 -1 -1 2 2 2 1 11 2 3 -1 1 1 01 1 33 3 1 10 0 2 2 3 1 1 1 1 33 1 1 1 1 1 3 0 1 0 2 3 1 1 1 2 3 1 1 1 1 1 1 1 2 1 1 3 1 1 1 2 1 1 1 1 1 1 2 11 1 3 1 1 1 1 1 1 1 1 3 3 1 1 1 1 2 1 1 1 1 0 1 1 1 1 3 3 1 1 1 11 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 11 1 2 1 1 1 1 0 1 2 1 1 1 0 1 1 1 1 0 2 0 1 1 1 1 1 1 1 1 3 23 1 1 1 0 1 1 2 0 5 3 5 42 0 1 1 0 3 3 1 4 1 1 1 1 2 0 1 1 1 1 1 1 1 11

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1 1 0 1 1 0 0 6 6 6 1 1 0 1 4 55 1 1 1 1 0 1 2 3 0 1 3 -1 0 0 3 1 1 3 2 1 0 0 2 1 2 1 3 2 32 4 1 2 0 0 1 3 7 3 1 1 1 2 0 1 0 1 0 1 3 0 5 0 1 0 11 1 5 2 1 6 1 Legend 1 1 5 1 5 0 21 1 1 1 1 1 5 3 1 1 5 2 2 Study Area (1,384.0 ac.) 4 10 1 1 0 4 1 2 0 1 0 1 1 2 1 1 6 2 ELEVATION 0 1 32 1 1 2 1 3 5 1 0 0 1 2 0 2 -3 1ft 54 2 1 22 4 0 1 3 1 1 5 1 1 0 -2 ft 2 1 5 54 3 2 75 2 2 2 2 0 0 01 0 5 0 1 1 4 7 -1 ft 2 1 1 1 3 0 0 0 0 2 1 22 2 2 1 0 1 3 02 ft 1 4 5 78 2 2 0 1 0 4 1 4 22 1 1 3 1 4 0 3 0 1 ft 1 1 1 2 1 1 2 0 1 1 1 1 1 1 1 3 2 ft 1 1 1 1 1 1 3 2 22 21 3 6 1 1 7 3 ft 2 0 1 12 312 1 2 1 1 2 2 2 13 2 1 1 65 1 1 1 1 1 5 4 4 2 3 4 ft 1 4 3 1 1 5 45 5 5 1 8 4 6 34 2 5 1 1 1 3 2 1 6 5 2 5 ft 11 1 5 1 1 3 2 52 5 6 ft 1 2 1 1 1 2 1 1 22 2 7 1 1 1 7 ft 2 1 1 1 2 2 1 2 1 7 1 1 1 3 22 1 1 1 7 1 8 ft 1 1 1 1 1 1 6 1 1 2 2 1 2 1 1 1 1 2 2 1 9 ft 2 2 1 2 1 2 11 1 1 1 1 1 2 1 1 7 10 ft 1 1 1 2 1 1 2 1 1 1 2 2 11 65 1 2 2 4 2 1 2 1 Value 1 4 34 3 1 3 1 3 3 12 3 5 1 1 1 2 2 22 3 2 5 1 1 1 2 1 5 2 2 1 1 1 2 1 3 2 1 2 6 2 2 1 1 22 2 4 1 1 2 1 2 33 1 2 3 5 1 1 3 1 1 1 1 1 2 2 2 1 1 11 5 2 1 2 1 1 1 2 11 1 2 1 2 1 2 2 2 6 1 2 1 5 1 1 1 1 2 3 2 2 1 2 5 2 2 2 1 3 3 2 2 5 1 5 2 2 1 2 1 2 3 2 2 1 1,000 2 2 1 2,000 1 2 10 4 1 5 2 2 5 3 2 2 Feet 1 2 2 1 1 1 2 1 2 23 2 4 1 3 2

51

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Turtle Island Mitigation Bank Vermilion Parish, Louisiana

1

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LIDAR / 1 FT CONTOUR ELEVATIONS Figure: 10d Date: October 2017 Scale:1:8,500

FIGURE 11

FIGURE 11a

FIGURE 11b

FIGURE 11c

FIGURE 11d

FIGURE 11e

FIGURE 11f

FIGURE 11g

FIGURE 11h

FIGURE 11i

FIGURE 11j

0

5 10

20

30

40 Miles

U V 35

Whisky Chitto 08080204

Bayou Teche 08080102

Amite 08070202 Lower Sabine 12010005

Tangipahoa

Vermilion 08070205 08080103

Mermentau 08080202

Tickfaw 08070203

West Fork Calcasieu 08080205

Mermentau Headwaters 08080201 Upper Calcasieu 08080203

Lower Grand 08070300

Lake Maurepas 08070204

Atchafalaya 08080101 Lower Calcasieu 08080206 Sabine Lake 12040201

Mermentau 08080202

Vermilion 08080103

East Central Lo 0809 West Central Louisiana Coastal 08090302

Legend State Boundary Primary Service Area Project Area State Coastal Zone Boundary 8 Digit Hydrologic Unit Code

¯

BOTTOMLAND HARDWOOD SERVICE AREA MAP Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 12 Date: October 2017 Scale: 1:1,300,000

0

5 10

20

30

40 Miles Whisky Chitto 08080204

Tangipahoa 08070205

Bayou Teche 08080102

Lower Sabine 12010005

Amite 08070202

West Fork Calcasieu 08080205

Tickfaw 08070203

Mermentau Headwaters 08080201 Lower Grand 08070300 Atchafalaya 08080101

Upper Calcasieu 08080203

Lake Maurepas 08070204

Lower Calcasieu 08080206 Sabine Lake 12040201

Mermentau 08080202

Vermilion 08080103

East Central Louisiana Coastal 08090301

West Central Louisiana Coastal 08090302

Legend State Boundary Primary Service Area Project Area State Coastal Zone Boundary 8 Digit Hydrologic Unit Code

¯

FRESH MARSH SERVICE AREA MAP Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 13 Date: October 2017 Scale: 1:1,300,000

0 5 10

20

30

Little 08040304

40 Miles

Lower Red 08040301

Lower Sabine 12010005

Whisky Chitto 08080204

Bayou Teche 08080102 Amite 08070202 Tickfaw 08070203

West Fork Calcasieu 08080205

Mermentau Headwaters 08080201

Upper Calcasieu 08080203 Lower Grand 08070300 Vermilion 08080103

Lower Calcasieu 08080206

Mermentau 08080202

Sabine Lake 12040201

Lake Maurepas 08070204

Atchafalaya 08080101 West Central Louisiana Coastal 08090302

East Central Louisiana Coastal 08090301

Legend State Boundary Primary Coastal Prairie Service Area Project Area State Coastal Zone Boundary 8 Digit Hydrologic Unit Code

¯

COASTAL PRAIRIE SERVICE AREA MAP Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 14 Date: October 2017 Scale: 1:1,600,000

ATTACHMENT A

Legend Property Boundary (1,384.0 ac.) Forested Wetlands (48.7 ac.) Herbaceous Wetlands (757.5 ac.) Prior Converted Wetlands (315.2 ac.) Uplands (234.9 ac.) Waters (27.8 ac.)

0

¯

1,000

2,000

3,000

4,000 Feet

WETLANDS (from Jurisdictional Determination) Turtle Island Mitigation Bank Vermilion Parish, Louisiana

Figure: 1 Date: November 2017 Scale: 1:16,500

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