25 x 39 cm. United States, Department of the Interior, Bureau of Reclamation. Relief shown pictorially. "Map no. X-300-738." "September 1967." Shows completed, under construction and proposed dams and reservoirs, canals, and aqueducts, power plants, pumping plants, substations, transmission lines, tunnels and siphons. Also shows non-Bureau of Reclamation dams, reservoirs, tunnels, pipelines and irrigated lands. Includes inset map of location of Region 3 and key map of drainage basins. Original Publisher: Interior.