Summary of Survey report on Great Lakes and St. Lawrence Seaway navigation season extension /
U.S. Army Engineer District, Detroit, Corps of Engineers.

Description

Corporate Author

United States. Army.

Language(s)

English

Published

Detroit [Mich.] : The District, [1969]

Subjects

Ice on rivers, lakes, etc. > Ice on rivers, lakes, etc. / Saint Lawrence Seaway.
Ice on rivers, lakes, etc. > Ice on rivers, lakes, etc. / Great Lakes (North America)
Ice navigation > Ice navigation / Saint Lawrence Seaway.
Ice navigation > Ice navigation / Great Lakes (North America)
Ice breaking operations > Ice breaking operations / Saint Lawrence Seaway.
Ice breaking operations > Ice breaking operations / Great Lakes (North America)

Note

"January 15, 1970."
Caption title: Great Lakes and St. Lawrence Seaway navigation season extension.
Cover title.

Physical Description

1 v. (various pagings) : maps ; 28 cm

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