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Details

ADA186640

Publication Date	1987
Personal Author	Chew, D. L.
Page Count	447
Abstract	Clam shells (Rangia) have been harvested from Lakes Pontcahrtrain and Maurepas since 1933 by means of hydraulic dredges. The shells are used primarily in construction activities, but have a variety of other uses as well. There has been considerable controversy over the environmental impacts of shell dredging. This final Environmental Impact Statement assesses the impacts of shell dredging in the lakes as permitted under 5-year permits issued in 1982 that will expire in December 1987. The document also addresses the impacts of applications for 10-year permit extensions that would allow shell dredging to continue under the same conditions. These permits actions are being considered under Section 10 of the River and Harbor Act and Section 404 of the Clean Water Act. Numerous alternatives have been discussed and evaluated in the document.
Keywords	Environmental impact statements final Dredging Benthonic zones Clams Shells(Structural forms) Resources Endangered species Lakes Sediments Construction Economics Fisheries Louisiana Economic impact Clam shells Lake ponlchartrain Lake maurepas
Source Agency	Non Paid ADAS
NTIS Subject Category	68H - Environmental Impact Statements 50B - Civil Engineering 68D - Water Pollution & Control
Corporate Authors	Army Engineer District, New Orleans, LA.
Supplemental Notes	See also Volume 2, AD-A186 641.
Document Type	Technical Report
Title Note	Final rept.,
NTIS Issue Number	198809

Clam Shell Dredging in Lakes Pontchartrain and Maurepas, Louisiana. Volume 1. Final Environmental Impact Statement and Appendixes.

Clam Shell Dredging in Lakes Pontchartrain and Maurepas, Louisiana. Volume 1. Final Environmental Impact Statement and Appendixes.
ADA186640

Publication Date	1987
Personal Author	Chew, D. L.
Page Count	447
Abstract	Clam shells (Rangia) have been harvested from Lakes Pontcahrtrain and Maurepas since 1933 by means of hydraulic dredges. The shells are used primarily in construction activities, but have a variety of other uses as well. There has been considerable controversy over the environmental impacts of shell dredging. This final Environmental Impact Statement assesses the impacts of shell dredging in the lakes as permitted under 5-year permits issued in 1982 that will expire in December 1987. The document also addresses the impacts of applications for 10-year permit extensions that would allow shell dredging to continue under the same conditions. These permits actions are being considered under Section 10 of the River and Harbor Act and Section 404 of the Clean Water Act. Numerous alternatives have been discussed and evaluated in the document.
Keywords	Environmental impact statements final Dredging Benthonic zones Clams Shells(Structural forms) Resources Endangered species Lakes Sediments Construction Economics Fisheries Louisiana Economic impact Clam shells Lake ponlchartrain Lake maurepas
Source Agency	Non Paid ADAS
NTIS Subject Category	68H - Environmental Impact Statements 50B - Civil Engineering 68D - Water Pollution & Control
Corporate Authors	Army Engineer District, New Orleans, LA.
Supplemental Notes	See also Volume 2, AD-A186 641.
Document Type	Technical Report
Title Note	Final rept.,
NTIS Issue Number	198809