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<br /> LOCATION <br /> (county, DATES OF <br />MINE NAME quadrangle) OPERATION <br />Crown Point Routt Co. 1920-1921 <br /> Milner <br />(Solar) NW,NW,NE 1923-1924 <br /> Sec.28,21 <br /> T6N,R86W <br />Curtis Routt Co. 1915-1923 <br /> Milner <br /> SE,NE,SW <br /> Sec. 22 <br /> T6N,R86W <br />Dave's Grand Routt Co. 1938-1940 <br />Baby Cow Creek <br /> NW,SE,Sec.12 <br />(Grand Baby) T5N,R86W 1941 <br />Deep Creek Routt Co. <br /> Wolf Mtn. <br /> SE,NE,SE <br /> Sec. 35 <br /> T8N,R87W <br />Dry Creek Routt Co. 1919-1928 <br />(Hayden Valley ) Hayden 1929-1930 <br />(Coryell) SW,NE,Sec.4 1944-1952 <br /> T5N,R88W <br />Key to unique features symb ol: <br />Reclamation and/or plans -- Table Two <br />lists haz ard abatement work <br />+ Discrepancy between two sources <br />TABLE ONE - YAMPA VALLEY <br />SEAM OVERBURDEN <br />THICKNESS THICKNESS PRODUCTION <br />(IN FEET) (IN FEET) (IN TONS) <br />80.0' 13,637 <br />48.0' 49,382 <br />9.5' 1,159 <br />4.5'-6.0' 200 <br />8.0'-10.5' 200' 127,991 <br />Z Multiple mining zones <br />* Mine opening information <br />S Subsidence features <br />F Mine fires <br />D Mine drainage <br />UNIQUE <br />FEATURES <br />Reclamation <br />INFORMATION <br />SOURCES <br />1,2,6 <br />1,2,3,6 <br />1,2,6 <br />1,2,6 <br />1,2,6 <br />11 <br />