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Chapter 4 Minerals--Considerable development of the trona, oil, and natural gas industries has.occurred in the Green River Basin since the Comprehensive Framework Study was made. The Wyoming State Engineer projects that depletions will increase. FS Industries' contract with the State of Wyoming provides water from the State's storage in Fontenelle Reservoir for use in a phosphate fertilizer plant. A slurry pipeline carries phosphate ore from the mining area near Vernal, Utah, to the plant near Rock Springs, Wyoming. The slurry water is used and reused as process water. Projections of industrial uses beyond the year 2000 are largely arbitrary, and the figures provided should be used with caution. No attempt has been made to predict individual industrial uses. New Mexico Adjusted Comprehensive Framework Study-Several w()ter uses listed in table 3 were included in the Comprehensive Framework Study. The Comprehensive Framework Study values in the table were adjusted by subtracting out the following values to avoid double accounting: Navajo Reservoir evaporation, 26,000 acre-feet; Hammond Project irrigation, 10,000 acre-feet; and Four Comers Powerplant, 16,000 acre-feet. 1966-90 Changes-These are depletions that have come into being since the Comprehensive Framework Study estimates were prepared. These include 5,000 acre-feet of private rights developed for municipal and industrial purposes. Values shown were provided by the New Mexico Interstate Stream Commission. Navajo Reservoir Evaporation-Reservoir evaporation is based upon a Colorado River Storage Project study made in 1973. Animas-La Plata Project (Colorado-New Mexico}-See the discussion of the Animas-La Plata Project in the "Colorado" section. San Juan-Chama Project-The San Juan-Chama Project was authorized by Public Law 87-483. Transbasin diversions began in 1971. The May 1957 Supplemental Project Report indicates that diversions are expected to average about 110,000 acre-feet a year, although more recent hydrologic studies performed by the Southwest Regional Office indicate that the long-term average annual yield may be closer to 104,000 acre-feet. For purposes of this report, 110,000 acre-feet have been selected as the level of existing and future average depletions. Navajo Indian Irrigation Project-Various estimates for projected agricultural use depletions have been prepared, including the studies for the all-sprinkler irrigation system for the Navajo Indian Irrigation Project prepared by the Southwest Region of the Bureau of Reclamation. This study estimated agricultural consumptive use of 226,000 acre-feet. Several other estimates have been made, and a 5-year field study was made to determine actual consumptive use on the project. Technical estimates reported by the Secretary's report, Economic Study, May 1980, are 254,000 acre-feet for agricultural depletions. The State of New Mexico has stated that the projected depletion estimates for the NIIP under full project development will not reach 267,000 acre-feet and that a more reasonable estimate of the 28