Boulder Canyon project. Radial gates and radial-gate hoists for wasteways nos. 1, 2, and 3, stations 4782+01.6.5401 +30.4, and 5710+25.2, check station 5401+39.65 and check, station 5717+25, Coachella Canal, All-American Canal system, Boulder Canyon project, Ariz.-Calif.-Nev.

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