St. Marys Falls Canal, Michigan, Statistical Report of Lake Commerce Passing through Canals at Sault Ste. Marie, Michigan and Ontario, During Season of 1939.

Bibliographic Details
Corporate Author:	United States. War Department. Engineer Department
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1940.
Subjects:	United States. > Army. > Corps of Engineers. Canals. Hydraulic structures. Michigan. Canada.
Online Access:	Electronic resource (PDF)

Description
Physical Description:	1 online resource (35 pages), digital, PDF file