Black Rock Harbor-Cedar Creek Federal Navigation Channel, Maintenance Dredging, EA and FONSI.
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Published: 1982
Total Pages: 144
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Published: 1982
Total Pages: 144
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Published: 1982
Total Pages: 0
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DOWNLOAD EBOOKAuthor: United States. Army. Corps of Engineers. New England Division
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Published: 1982
Total Pages:
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DOWNLOAD EBOOKAuthor: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
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Published: 1982
Total Pages: 114
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DOWNLOAD EBOOKMaintenance dredging is proposed for the Black Rock Harbor-Cedar Creek Federal navigation channel and the western portion of the Bridgewater Harbor Anchorage Area. Approximately 10,000 to 15,000 cubic yards (c.y.) of sediment from the central section of the channel would be dredged by a hydraulic dredge and deposited onto an intertidal mudflat area which would be confined by a steel bulkhead. An upland-intertidal marsh habitat would be created for a proposed field research program (Field Verification Program (AFVP)) which would study the long term impacts of this type of disposal. The remainder of the sediments derived from the central section of the channel(70,000 c.y.) would be dredged by clamshell dredge and deposited in an uncapped mound at the Central Long Island Sound Disposal Site, near New Haven. This deposit would also be studied under the FVP. The remainder of the sediments from the upper and lower sections of the channel, sediment from private dredging areas, and the sediments from the Bridgeport Harbor Anchorage Area would be disposed at a separate capped mound at the Central Long Island Sound Disposal area. The FVP study may include a comparison of the uncapped and capped mounds.
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Published: 1979
Total Pages: 62
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Published: 1981
Total Pages: 52
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Published: 2001
Total Pages: 40
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DOWNLOAD EBOOKAuthor: United States. Army. Corps of Engineers. San Francisco District
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Published: 1975
Total Pages: 896
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DOWNLOAD EBOOKAuthor: United States. Army. Corps of Engineers
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Published: 2019
Total Pages: 28
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DOWNLOAD EBOOK“This environmental assessment (EA) addresses the environmental impacts of maintenance dredging at four federal navigation channels located in side channels near the main stem of the Lower Columbia River.” – From the Introduction, page 1.
Author: United States. Army. Corps of Engineers
Publisher:
Published: 2019
Total Pages: 28
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DOWNLOAD EBOOK"This environmental assessment (EA) addresses the environmental impacts of maintenance dredging at four federal navigation channels located in side channels near the main-stem of the Lower Columbia River." -- From the Introduction, page 11.