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Show 184 UPDATING THE HOOVER DAM DOCUMENTS The Bureau of Indian Affairs, in behalf of the Confederation of Colorado River Indian Tribes, engaged Earth Environmental Consultants (EEC) to survey the five Indian Reservations in the Lower Basin adjacent to the Colorado River to evaluate the irrigability of the lands in each Reservation which were not classified as irrigable and which were not found irrigable by the Special Master in Arizona v. California, 376 U.S. 340. The EEC Reports dated March 1975, found the following additional acreages to be irrigable (these include acreages due to "enlargement" of boundaries): West Cocopah Indian Reservation 1,142.26 Chemehuevi Indian Reservation 2,367.32 Colorado River Indian Reservation 35,766.34 Fort Mohave Indian Reservation 3,550.34 Fort Yuma Indian Reservation 9,807.72 52,633.98 The EEC Reports stated that the lands were classified in accordance with the "Land Capability Standards" used by the Bureau of Indian Affairs. Soil physical and chemical properties and associated land characteristics were examined. The BIA standards, according to the Reports, "...assume that water is available for irrigation and can be delivered to the land site." Hence, the EEC Reports did not evaluate the economics of irrigating these acres or whether the foregoing acres were "practicably irrigable" as stated by the Special Master and confirmed by the Supreme Court in Arizona v. California (emphasis added). The Bureau of Reclamation also questioned the irrigability of the lands in question. However, the Tribes Petition of Intervention dated April 7, 1978 (which did not include the Cocopah Tribe), included the following Exhibit C-l, listing a total of 91,400 irrigable acres within the four Reservation boundaries which were not presented to the Supreme Court in Arizona v. California. The Cocopah claim would increase this total. C-l "IRRIGABLE ACREAGE CONTAINED WITHIN RESERVATION BOUNDARIES NOT PRESENTED TO THE UNITED STATES SUPREME COURT BY THE UNITED STATES IN ARIZONA v. CALIFORNIA RESERVATION FORT MOHAVE Hay and Wood Reserve West of 1931 Survey Additional Lands Camp Mohave Reserve Intermediate Area Checker Board Area Subtotal 12,800 82,800 Acre-Feet Acres Per Acre Acre-Feet 3,500 6.46 22,600 1,200 6.46 7,800 3,000 6.46 19,400 1,200 6.46 7,800 3,900 6.46 25,200 COLORADO RIVER INDIAN RESERVATION Benson Line Area 4,000 6.67 26,700 Ninth Avenue Cutoff 200 6.67 1,300 Olive Lake Cutoff 2,000 6.67 13,300 South of the Benson Line 2,500 6.67 16,700 |