Title: Cheboygan Harbor and River, Mich. Letter from the Secretary of War transmitting a letter from the Chief of Engineers, United States Army, dated January 12, 1937, submitting a report, together with accompanying papers and illustration, on a preliminary examination and survey of Cheboygan Harbor and River, Mich., authorized by the River and Harbor Act approved August 30, 1935
Subjects: Hydrography, Harbors, Topographical surveying