OCR Text |
Show Table No. 1.-Relation between irrigated area and power development. Reservoir capacity, 26,500,000 acre-feet. All United States lands and all Mexican lands irrigated. All United States lands and Mexican lands under All-America n and Imperial canals irri- Discharge equated for power.. Reservoir capacity, 31,400,000 acre-feet: All United States lands and Mexican lands under Ail-American and Imperial canals irrigated. Minimum discharge, second-feet..........:..... Total annual useful draft, acre-feet............. Regulating storage required, acre-feet.......... Capacity below regulating storage.............. Flood-control storage........................... Minimum head on power plant..............:. Maximum head on power plant................ Firm turbine horsepower, 88 per cent efficient.. Acres irrigable................................. Monthly peak irrigation demand, second-feet... Total power, 1899 to 1921, million kilowatt hours: Firm power................................ Secondary irrigation power.............. Secondary increased head power......... Total power............................. Installed turbine horsepower................ Installed generator, kilowatts............... Number of units............................ 10,660 9,310,000 15,300,000 6,200,000 5,000,000 329 519 351,000 2,020,000 19,000 47,300 24,244 20,512 92,056 480,000 358,000 12 13,500 8,880,000 13,800,000 7,700,000 5,000,000 360 519 486,000 1,505,000 14,000 65,560 2,159 23,021 90,740 608,000 455,000 12 14,700 9,500,000 16,500,000 5,000,000 5,000,000 302 519 444,000 1,410,000 13,200 59,906 32,496 92,402 662,000 494,000 12 14,500 9,360,000 16,100,000 5,400,000 5,000,000 312 519 452,400 1,400,000 13,000 61,094 30,759 91,853 652,000 486,000 12 14,000 9,000,000 14,500,000 7,000,000 5,000,000 344 519 481,600 1,340,000 12,500 . 65,010 26,063 91,073 630,000 470,000 12 13,500 8,640,000 13,100,000 8,400,000 5,000,000 371 519 500,800 1,290,000 12,000 67,562 21,367 88,929 608,000 454,000 12 13,000 8,280,000 11,800,000 9,700,000 5,000,000 389 519 505,700 1,240,000 11,500 68,244 18,021 86,265 585,000 436,000 12 14,300 9,370,000 16,350,000 10,050,000 5,000,000 394 559 563,000 1,505,000 14,000 76,054 1,387 24,425 101,866 715,000 535,000 12 to |