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MapDevelopment of Great Falls for water power and increase of water supply for the District of Columbia. Covers Potomac River watershed above Great Falls. Shows sub-watersheds, gaging stations, and reservoir sites. Title and imprint from accompanying text. On t.p. of accompanying text: Letter from the chairman of the Federal Power Commission ... together with the report of Maj. M.C. Tyler. Accompanied by t.p. and p. 91-102 of: Senate document no. 403, 60th Congress, 3d session : Development of Great Falls for...
- Contributor: United States. Government Printing Office - United States. Federal Power Commission - United States. Congress. Senate - Tyler, M. C.
- Date: 1921-01-01