History and Annual Report - The Metropolitan Water District of Southern California

acre-feet adit All-American canal Angeles April Aqueduct Construction Arizona average awarded backfill Barrett & Hilp bids Black Canyon board of directors bonds Boulder Canyon Project Boulder dam Bridge Canyon Cabazon camps Canyon Project Act capacity cement cent chief engineer City Coachella tunnels Colorado River aqueduct Colorado River Compact Company completed concrete pipe contract contractor Copper Basin cost cu-yds cubic feet cut-and-cover delivery Desert Center District forces District of Southern diversion drilling east election elevation equipment estimated excavation flow grade Hayfield head Imperial Valley inches installed Intake invert Iron Mountain irrigation June 30 length located main aqueduct materials Metropolitan Water District miles Morongo municipal operation Parker dam Pasadena Picacho Potrero pump lift pumping plant Reconstruction Finance Corporation reinforcement road rock San Jacinto tunnel schedules siphon Southern California struction surface tests tion transmission line upper feeder water supply west portal Whipple Mountain