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Show __2__ Supporting Data For Estimate of Future Average Annual Natural River Losses Due to Reduced Flows Colorado River Hoover Dam to International Boundary Unit-1,000 acre-feet 1. Historic Average Annual Flow of Colorado River below Hoover Dam a. 1914-1945 13,694.01 b. 1946-1951 ll,804.32 2. Natural Losses, Davis Dam to Topock and Parker Dam to International Boundary a. Annual averages for 1914 -1945 period3 Water Surface Native Evaporation vegetation Davis Dam to Topock 109.8 216.5 Parker Dam to Boundary 176.6 450.3 Totals 286.4 666.8 Total Loss 953.2 b. Annual averages for 1946-1951 period4 Davis Dam to Topock Parker Dam to Mile 518 Headgate Rock Dam to Mile 632 Laguna to Yuma Yuma to International Boundary Totals Total Loss Water Surface Native Evaporation vegetation 87.6 209.3 3.8 - 131.1 295.6 8.8 32.1 3.0 22.1 236.3 559.1 793.4* iTable SI, page 7, PI. Ex. 77. 2Table D, page 30, PI. Ex. 77-B. 3Totals from Table 14, page 134, PI. Ex. 77 reduced by amount estimated for Hoover Dam to Davis Dam Losses and Topock to Parker Dam Losses (based on ratio of Totals for 1914 - 1945 and 1946-1951 periods). 4From Table 14, Lower Colorado River Basin, Channel Losses and Salvage at Sites of Use, page 90 of Volume 1, supporting Data for derivation of Annual Flows, U.S.B.R.Memorandum Supplement to "Report on Water Supply of the Lower Colorado River Basin, November 1952," dated November 1953, PI. Ex. 77-B. *Counsel's note: Correction by Arizona witness Erickson, Tr. 18,761. |
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Original book: [State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Coachella Valley County Water District, Metropolitan Water District of Southern California, City of Los Angeles, California, City of San Diego, California, and County of San Diego, California, defendants, United States of America, State of Nevada, State of New Mexico, State of Utah, interveners] : |