Design and construction: Bull.1. General features. Bull.2. Boulder Dam. Bull.5. Penstocks and outlet pipes. Bull.6. Imperial Dam and desilting worksUnited States Department of the Interior, Bureau of Reclamation, 1938 - Arch dams |
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Common terms and phrases
abutment acre-feet adit aggregate All-American Canal approximately arch Arizona basin batcher Black Canyon Boulder Canyon Project Boulder City Boulder Dam breccia building built cableway canyon walls capacity cement cent Coachella Canal cofferdam Colorado River connected construction contractor Conv conveyor cooling crane crest cubic yards desilting diameter discharge diversion tunnels downstream face drainage gallery drilled elevation equipment excavation feet high feet long feet wide FIGURE floor flow gates Government grout header highway hoist holes hopper horizontal Imperial Dam Imperial Valley included installed intake towers Lake Mead load located lower maximum miles million mixer mixing plant needle valves Nevada side operations penstock and outlet pipe plate pounds per square power plant powerhouse pump radial railroad reservoir riprap rock Salton Sea sand shaft silt slope spillway square inch steel storage structure surface tons Tunnel plug upper upstream valve house vertical