Appendix to the Journals of the Senate and Assembly of the ..session of the Legislature of the State of California . months on 2,700 acres to be acre-feetper acre. Assuming a duty of two and a half acre-feet per acre forthe total area of 11,340 acres irrigated in the drainage basin, 28,350acre-feet are used annually from Whitewater River and tributaries. The ratio of area irrigated to the area of watershed is very only the San Bernardino and San Jacinto mountain por-tions of the drainage, 11,340 acres are irrigated from 523 square milesof watershed. On San Antonio Creek 20,
Appendix to the Journals of the Senate and Assembly of the ..session of the Legislature of the State of California . months on 2,700 acres to be acre-feetper acre. Assuming a duty of two and a half acre-feet per acre forthe total area of 11,340 acres irrigated in the drainage basin, 28,350acre-feet are used annually from Whitewater River and tributaries. The ratio of area irrigated to the area of watershed is very only the San Bernardino and San Jacinto mountain por-tions of the drainage, 11,340 acres are irrigated from 523 square milesof watershed. On San Antonio Creek 20,000 acres at Pomona, Clare-mont. Upland and Ontario are irrigated from a watershed in SanGabriel Mountains of 36 square miles. The two Avatersheds comparefavorably as to elevation, but differ as to rainfall. On San AntonioCreek all surface discharge is used in the irrigating season, the distribu-tion being entirely by underground pipe. The underground water ispumped from over 100 wells and winter flood waters are spread overthe gravels to replenish the underground basins so that practically nowater escapes. ^^^.
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Keywords: ., bookauthorcaliforn, bookcentury1800, bookdecade1850, bookyear1853
