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

acres aggregates alternative plans analysis bypass canal Chessie System coal and coke commodity group commodity traffic congestion fee construction Corps of Engineers DAM REPLACEMENT STUDY Dashields double-lock plans economic Emsworth environmental impacts estimated evaluation existing and projected existing Gallipolis existing project feet Fish and Wildlife Flatfoot Creek forecast four switchboats FULL FULL FULL Gallia County Gallipolis Ferry Gallipolis Locks Gallipolis project Gallipolis replacement Gallipolis traffic growth rate habitat Huntington District increase Kanawha River lock chambers lock replacement alternatives lock replacement plans Locks and Dam major Mason County million tons mitigation mooring cells Mud Run Nathan Associates nonstructural Ohio River Basin Ohio River navigation percent petroleum fuels Plan A-1 Plan E-2 project condition projected traffic demand replacement project require result riprap roller gates Sixteenmile Creek Star Route structure switchboats at Gallipolis system rate savings system traffic Table tows traffic levels transportation upbound upstream West Virginia wetlands