Title: Pigeon River, Minn. Letter from the Secretary of War pursuant to section 1 of the River and Harbor Act, approved January 21, 1927, a letter from the Chief of Engineers, United States Army, dated March 3, 1933, submitting a report, together with accompanying papers and illustrations, on Pigeon River, Minn., for the purposes of navigation and efficient development of its water power, the control of floods, and the needs of irrigation
Subjects: Reservoirs, Hydrography, Flood control