| Title: | Survey study for Great Lakes and St. Lawrence Seaway navigation season extension : draft |
| Author: | United States. Army. Corps of Engineers. Detroit District |
| Note: | U.S. Army Engineer District, Detroit, Corps of Engineers, 1979 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Ice navigation |
| Subject: | Navigation -- Great Lakes |
| Subject: | Navigation -- Saint Lawrence Seaway |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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