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<br />002160 <br /> <br />." ......, .~' -' <br /> <br />In Utah the study area along the Green River is located in Daggett <br />h <br />and Uinta~Counties. According to Bureau of Mines information, commercial <br /> <br />mineral production in 1973 was confined to sand and gravel, natural gas, <br /> <br />and petroleum (in desccnding order of value). Value of mineral production <br /> <br />was withheld for that year, but in 1972 was $871,000. <br /> <br />Mineral interest in the Monument area has been low, but value of <br /> <br />Moffat County (Colo.) mineral production has been increasing. Figures <br /> <br />compiled by the Bureau of Mines show a composite annual mineral value <br /> <br />excecding $11 million, including production of natural gas, petroleum, <br /> <br />coal, sand and gravel, copper, and silver.7 <br /> <br />. .-', --.--.-"---.. <br /> <br />In general, reports on mineral investigations in the Moriument have <br /> <br />not been encouraging. According to two previous investigators who spent <br /> <br />many years in and around the area, "No minerals of proven economic <br /> <br />po 1P . <br /> <br />importance occur within the boundaries of Dinosaur National Honumcnt."8 <br /> <br />However. Heyl refers to small deposits of rich zinc ore from veins <br /> <br />in limcstone along the south boundary of the Colorado part of Dinosaur <br /> <br />National Hon~ent.9 <br /> <br />'-..., <br /> <br />~ <br /> <br />Coal <br /> <br />. <br /> <br />Coal occurs in all three counties involved in the study, with the <br /> <br />major economic occurrences in eastern Moffat County. Colo. Moffat <br /> <br />7Kuklis, A. The }lincral Industry of Colorado. BuMincs Minerals Yearbook <br />'\ <br />Preprint for 1973. ... <br /> <br />8Untermann, G. E., and B. R. Unterman. Geology of Dinosrur National <br /> <br />Monument and Vicinity Utah-Colorado. Utah Geol. And Mincralog. Survey <br /> <br />Jl.u1l. 42. 1954, p. 10. <br /> <br />91Ieyl. A. V. The Geology of the Known Deposits and the Resources of <br /> <br />the Oxidized Zinc Ores in Colorado7 U~S. Geol. Survey Bull. I135-C) If6~ 1" II. <br />