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LOCATION <br /> (county, DATES OF <br />MINE NAME quadrangle) OPERATION <br />McCroskey Routt Co. <br /> Milner <br /> SE,SW,Sec.9 <br /> T6N,R86W <br />McDowell Routt Co. 1919-1922 <br /> Milner <br />(Allen) NW,NE,NE 1916-1918 <br /> Sec. 23 <br />(Hawkeye) T6N,R87W <br />McGregor Routt Co. 1915-1928, <br /> Milner 1936,1941- <br /> SE,SW,NW 1947 <br />(Mc Niel Sec. 16 <br /> <br />n0$. 1,3) <br />16N ,ff6017 ,..,. <br />1929-17YV <br />McKinley Routt Co. 1909-1910(?) <br /> Oak Creek <br /> No specific location <br /> Sec.l(?),T3N ,R86W <br />Middle Creek Routt Co. 1939-1948 <br /> Rattlesnake <br /> Butte <br /> NE,NW,Sec.10 <br /> T4N,R86W <br />Key to unique features symbols: <br />Reclamation a nd/or plans -- Table two <br />lists ha zard abatement work <br />+ Discrepanc y between two sources <br />TABLE ONE - YAMPA VALLEY <br />SEAM OVERBURDEN <br />THICKNESS THICKNESS PRODUCTION UNIQUE INFORMATION <br />(IN FEET) (IN FEET) (IN TONS) FEATURES SOURCES <br /> none prospect 1,7 <br /> reported <br />6.0' 100' 29,913 1,2,6 <br />8.0' 150.0' 981,583 1,2,6 <br />10,523 In Pinnacle Mine area, 1,2,6 <br />„according to local <br />miners." (reference 1) <br />12.0' 11,897 Reclamation plans 1,2,3,6 <br />Z Multiple mining zones <br />* Mine opening information <br />S Subsidence features <br />F Mine fires <br />D Mine drainage <br />20 <br /> <br /> <br />