Thomas' Eddy Hydraulic Reconnection
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Snohomish County’s Surface Water Management Division will use this grant to remove large portions of a levee, connect side channels, improve river edge habitat, place large woody materials in the river, and plant the banks of Thomas' Eddy in the Snohomish River. Adding woody materials such as logs and tree root wads to a river creates places for fish to rest, feed, and hide from predators. It also slows the water, which reduces erosion and allows small rocks to settle to the bottom, creating areas for salmon to spawn. Finally, it changes the flow of the water, creating riffles and pools, which give salmon more varied habitat. Planting trees and bushes along a river shades the water, keeping it cool for fish. The plants also drop branches and leaves into the water, which provide food for the insects that salmon eat. Finally, the roots of the plants keep soil from entering the water, where it can smother fish spawning gravel. The work will improve the quality and quantity of habitat and connectivity between the river, floodplain, and tributaries. The work will be done in the Bob Heirman Wildlife Preserve. The 1930s, levee construction isolated more than 200 acres of Snohomish River floodplain including about 1.5 miles of off- and side-channel habitat and added nearly a mile of modified and rip-rapped edge to the river. The river is used by Chinook salmon and steelhead trout, which are species listed as "threatened" with extinction under the federal Endangered Species Act; by coho salmon, which is a federal species of concern; and by chum and pink salmon. This grant is from the Puget Sound Acquisition and Restoration fund.
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County:
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Snohomish
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Legislative District:
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44
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Congressional District 2022:
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01
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Salmon Recovery Regions:
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Puget Sound
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Watershed Administrative Unit:
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Everett
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HUC8:
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Snohomish (17110011)
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WRIA:
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Snohomish
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Sections:
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31
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Township:
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T28NR06E
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Coordinates:
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47.86249129
-122.08676794
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| Worksite Name | Scope of Work | Proposed Restoration Cost |
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Thomas' Eddy (#1)
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Architectural & Engineering (A&E), Channel reconfiguration and connectivity (C.4.c.1), Channel structure placement (C.4.d.1), Cultural resources, Obtain permits, Planting (C.5.c.1), Riparian Plant removal / control (C.5.h.1)
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$5,433,225
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| | Total | $5,433,225 |
Amounts may not be complete
| Worksite Name | | Property Name | Landowner Type |
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Thomas' Eddy (#1)
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Property 1 - Thomas' Eddy
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Local Government
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| | | | Total |
Amounts may not be complete
| | Category / Work Type / Metric | Estimated |
Restoration Metrics (rolled up from Worksite level) |
Instream Habitat Project |
| Channel reconfiguration and connectivity (C.4.c.1) |
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Miles of Stream Treated for channel reconfiguration and connectivity (C.4.c.3)
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0.30
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Miles of Off-Channel Stream Created or Connected (C.4.c.4)
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1.49
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Acres Of Channel/Off-Channel Connected Or Added (C.4.c.5)
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202.7
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| Channel structure placement (C.4.d.1) |
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Miles of Stream Treated for channel structure placement (C.4.d.3)
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0.47
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Pools Created through channel structure placement (C.4.d.5)
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12
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Number of structures placed in channel (C.4.d.7)
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39
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Riparian Habitat Project |
| Planting (C.5.c.1) |
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Acres Planted in riparian (C.5.c.3)
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50.0
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| Riparian Plant removal / control (C.5.h.1) |
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Acres of riparian treated for plant removal/control (C.5.h.3)
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30.0
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Permits |
| Obtain permits |
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Number of permits required for implementation of project
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11
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Riparian Habitat Project |
| Planting (C.5.c.1) |
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Miles of streambank planted (C.5.c.4)
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0.80
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| Riparian Plant removal / control (C.5.h.1) |
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Miles of streambank treated for plant removal/control (C.5.h.4)
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0.78
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| Planting (C.5.c.1) |
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Average Riparian Width
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150
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| Permit Type | Applied
Date | Received
Date | Expiration
Date | Permit Number |
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Water Quality Certification [Section 401]
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Shoreline Permit
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SEPA
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Nationwide Permit
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Hydraulics Project Approval [HPA]
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Endangered Species Act Compliance [ESA]
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Cultural Assessment [Section 106]
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Clear & Grade Permit
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Archaeological & Cultural Resources (EO 21-02)
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Aquatic Lands Use Authorization
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| Attachment Type | Attachment Title | Attach Date |
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Applicant Resolution/Authorizations
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ApplicantAuthorization_RCO Projects_signed.pdf.pdf
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01/13/2022
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Application Document
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Thomas'Eddy_PSAR-LargeCap_SuppQuestions.pdf.pdf
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06/03/2022
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Application Document
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Thomas'Eddy_SRFB-PSAR_LinkstoRelatedDocs.pdf.pdf
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02/24/2022
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Application Review Report
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Grant Manager Comments, 22-1033R(compl 07/21/22 08:52).pdf
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07/21/2022
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Application Review Report
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Grant Manager Comments, 22-1033R(rtnd 06/03/22 20:27).pdf
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06/03/2022
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Application Review Report
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Grant Manager Comments, 22-1033R(rtnd 04/01/22 13:39).pdf
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04/01/2022
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Cost Estimate
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Thomas'Eddy_PSAR-LargeCap_CostEstimate_Final.xlsx.xlsx
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06/03/2022
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Cost Estimate
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Thomas' Eddy_PSAR_Cost Estimate_FINAL.xlsx.xlsx
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02/24/2022
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Cultural Resource Screening Report
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Project Cultural Resource Screening Report (01/16/24 08:58:4.pdf
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01/16/2024
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Cultural Resource Screening Report
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Project Cultural Resource Screening Report (04/26/23 16:31:5.pdf
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04/26/2023
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Cultural Resource Screening Report
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Project Cultural Resource Screening Report (10/04/22 08:29:5.pdf
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10/04/2022
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Design document
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Thomas Eddy-60pct Preliminary Plans-2022-06-10-Rev1.pdf.pdf
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06/14/2022
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Design document
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Thomas Eddy Construction Cost Estimate 60%-Onsite-2022-06-10.xlsx
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06/14/2022
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Design document
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Thomas Eddy Construction Cost Estimate 60%-Offhaul-2022-06-1.xlsx
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06/14/2022
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Letters of Support
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Thomas'Eddy_PSAR-LargeCap_LE-LOS.pdf.pdf
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06/03/2022
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Map: Area of Potential Effect (APE)
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Project APE Report (01/16/24 08:58:48).pdf
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01/16/2024
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Map: Area of Potential Effect (APE)
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Project APE Report (04/26/23 16:31:51).pdf
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04/26/2023
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Map: Area of Potential Effect (APE)
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Project APE Report (10/04/22 08:34:34).pdf
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10/04/2022
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Map: Restoration Worksite
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Thomas'Eddy_RestorationConceptMap.pdf.pdf
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02/24/2022
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Photo
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Thomas' Eddy Salmon Presence Outside Levee in offchannel out.jpeg
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02/25/2022
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Photo
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Thomas' Eddy Reed Canarygrass Challenge.jpg.jpg
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02/25/2022
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Photo
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Thomas' Eddy Landscape Nov 15 2021 flood - 16.60ft at Monroe.jpg
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02/25/2022
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Photo
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Thomas' Eddy Beck Dike from River.jpg.jpg
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02/25/2022
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Photo
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Thomas' Eddy (middle) dike breach view from inside park.jpg.jpg
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02/25/2022
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Preliminary design report
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Thomas' Eddy-BDR-60pct-Final-2022-06-10_reduced.pdf.pdf
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06/14/2022
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Preliminary design report
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SnoCo_prelim design.docx.docx
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03/01/2022
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Project Application Report
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Project Application Report, 22-1033R (sub 01/16/24 08:58:47).pdf
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01/16/2024
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Project Application Report
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Project Application Report, 22-1033R (sub 06/24/22 13:29:32).pdf
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06/24/2022
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Project Application Report
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Project Application Report, 22-1033R (sub 06/03/22 17:09:41).pdf
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06/03/2022
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Project Application Report
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Project Application Report, 22-1033R (05/09/22 14:09:14).pdf
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05/09/2022
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Project Application Report
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Project Application Report, 22-1033R (sub 03/01/22 06:29:12).pdf
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03/01/2022
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Project Review Comments
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Proj Review Comments Final, 22-1033R(compl 01/16/24 08:58).pdf
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01/16/2024
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Project Review Comments
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Proj Review Comments Initial, 22-1033R(compl 01/16/24 08:58).pdf
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01/16/2024
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Project Review Comments
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Project Review Comments Report, 22-1033R (05/09/22 14:09:16).pdf
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05/09/2022
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Video
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100YR-Proposed-Depth-RAS2D.mp4.mp4
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06/14/2022
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Video
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2YR-Proposed-Depth-RAS2D.mp4.mp4
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06/14/2022
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Visuals
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SRFB_SiteTour_031622.pdf.pdf
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04/26/2022
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Visuals
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Thomas' Eddy Beck Dike Oblique.pdf.pdf
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02/25/2022
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Visuals
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Thomas'Eddy_VicinityMap.pdf.pdf
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02/24/2022
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Visuals
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Thomas'Eddy_VegPlanting_Concept.pdf.pdf
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02/24/2022
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Visuals
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Thomas'Eddy_LandscapeFeaturesMap.pdf.pdf
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02/24/2022
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