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~ i <br />LOCATION <br /> (county, DATES OF <br />MINE NAME quadrangle) OPERATION <br />Hammond Routt Co. 1938-1944 <br /> Hooker Mtn. <br /> W/2,SE,NW <br /> Sec. 34 <br /> T7N,R87W <br />Harris Routt Co. 1914-1958 <br /> Mt. Harris <br /> S/2,SW,Sec.15 <br /> T6N,R87W <br />Hart Moffat Co. 1919-1934 <br />(Wolf-Langley) Round Bottom <br />(Ratcliff C,SW,SE,Sec.31 <br />(Old)) T6N,R91W <br />Haubrich Moffat Co. <br /> Round Bottom <br /> No specific location <br /> SE,SW,Sec.29,T6N,R91W <br />Haughey Moffat Co. <br /> Ralph White Lake <br /> No specific location <br /> SE,NE.Sec.33,T7N,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 />4.5' 1,200 <br />9.2' 700' 8,742,236 <br />10.0' 12,869 <br />5.5'(?) none <br />reported <br />9.6' none <br />reported <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 />D <br />INFORMATION <br />SOURCES <br />1,2,6 <br />1,2,6 <br />1,2,6 <br />1 <br />1 <br />15 <br />