Survey study for Great Lakes-St. Lawrence Seaway navigation season extension: plan of study : main report
U.S. Army Engineer District, Detroit, Corps of Engineers, 1978 - History - 294 pages
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alternative analysis Appendix areas assessment benefits bubbler systems Canadian Clair River connecting channels coordination Corps of Engineers costs Demonstration Program Detroit District Detroit River Draft report w/recommendations economic effects Environmental Plan EPOA evaluation extended navigation season extended season extending the navigation feasibility Federal feet Final report w/recommendations Fish and Wildlife harbors Ice and Weather ice booms ice conditions ice control ice jams ice-cover icebreaker icebreaker assistance identified impacts improvements Island Lake Erie Lake Huron Lake Michigan Lake Ontario Lake Superior Lakes basin Lakes-St land Lawrence River Lawrence Seaway System levels and flows Marys River navigation season extension Neebish Island Ohio operation Port proposed plans recreation report w/recommendations 15 Resources River System shore erosion shoreline Soo Locks Straits of Mackinac tion transportation U.S. Army Corps U.S. Coast Guard vessel movement vessel traffic w/recommendations 15 Feb w/recommendations Final report Welland Canal year-round navigation