Proceedings. Description Tools Cite this Export citation file Meeting Name Great Lakes-St. Lawrence Seaway Winter Navigation Seminar Detroit, Mich.) (1972 : Language(s) English Published [Place of publication not identified], s.n., Subjects Shipping > Shipping / Great Lakes (North America) Inland navigation > Inland navigation / Great Lakes (North America) Saint Lawrence Seaway. Great Lakes (North America) > Great Lakes (North America) / Navigation. Note "Sponsored by the Dept. of the Army. Conducted by the Winter Navigation Board." Cover title. Physical Description 238 p. : illus., maps, ports. ; 28 cm Locate a Print Version Find in a library Viewability Item Link Original Source Full view University of Michigan Full view University of Michigan View HathiTrust MARC record