Gallipolis Lock and Dam, Ohio River (OH,WV): Environmental Impact Statement

acres of prime adverse impacts Agency alternative plans archeological sites bypass canal Class I soils coal commodity congestion fee construction Corps of Engineers disposal area disposal at Mud Downstream Replacement economic eliminate Environmental Impact Statement estimated evaluation excavated material Federal feet Fish and Wildlife Flatfoot Creek Gallia County Gallipolis Ferry Gallipolis Locks Gallipolis project Gallipolis replacement habitat loss Higman Huntington District Corps increase incremental Kanawha River level fill located lock chambers lock replacement plans lockage Locks and Dam Marshall University Mason County miles million tons mitigation mooring cells Mud Run Natural Resources offsite disposal Ohio River Basin Ohio River Navigation onsite percent Plan A-1 Plan E-3 potential presented in Appendix prime farmland project condition proposed recommended replacement project require riprap roller gates significant Sixteenmile Creek switchboats system rate savings Table traffic demands transportation U.S. Army U.S. Fish waterway wetlands Wildlife Service without-project condition