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LOCATION <br /> (county, DATES OF <br />MINE NAME quadrangle) OPERATION <br />Keitel Routt Co. <br /> Pilot Knob <br /> SW,Sec. 24 <br /> T8N,R87W <br />Kellogg Moffat Co. 1922(?) <br /> Hamilton <br /> SE,NW,Sec.15 <br /> T4N,R91W <br />Keystone Routt Co. 1926-1965 <br /> Oak Creek <br /> Sec.24,T4N,R86W <br /> 5ec.19,T4N,R85W <br />Kimberly Moffat Co. <br /> Ralph White Lake <br /> No specific location <br /> NE,Sec.31, T7N,R90W <br />Knez Moffat Co. 1924-1953 <br /> Castor Gulch <br /> SW,NW,SW <br /> Sec. 21 <br /> T6N,R90W <br />Key to unique features symbols: <br />Reclamation and/or plans -- Table Two <br />lists hazard 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 />18.5' <br />6.0'-9.0' <br />10.0' 150' <br />988 <br />2,312,108 <br />none <br />reported <br />77,451 <br />Z Multiple mining zones <br />* Mine opening information <br />S Subsidence features <br />D Mine drainage <br />UNIQUE <br />FEATURES <br />INFORMATION <br />SOURCES <br />1,7 <br />1 <br />1,2,6 <br />1 <br />1,2,6 <br />18 <br /> <br />