United States water resource development, flood control, irrigation, navigation and power development activities of Department of Army, Corps of Engineers, Department of Interior, Bonneville Power Administration, Bureau of Indian Affairs, Bureau of Reclamation, Southwestern Power Administration, Tennessee Valley Authority; compiled and printed by Geological Survey [colored map]. Scale 1:2.500,000, 1 in.=approximately 40 m. Edition of Jan. 1963.

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