Geological Survey Water-supply Paper

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U.S. Government Printing Office, 1950 - Irrigation
 

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Page 40 - Day Jan. Feb. Mar. Apr. Hay June July Aug. Sept. Oct. Nov. Dec.
Page 76 - Includes the drainage basins of the Los Angeles, San Gabriel, and Santa Ana Rivers and the coastal plain In Los Angeles and Orange Counties.
Page 1 - ... compensating periods of reduced pumping to less than the safe yield to permit the refilling. The effect of the overpumping is clearly shown by a graph included in the United States Geological Survey report entitled "Maricopa County," by HM Babcock and others, as continued for 1947.

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