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DATES OF <br />MINE NAME LOCATION OPERATION <br />Mount NE,SE,NW 1888-1901 <br />Carbon Sec. 5 1940-1944 <br /> T5S,R69W <br />Murphy Unknown,SE 1860-1870's <br /> Sec. 33 <br /> T2S,R70W <br />Murphy SE,SE,SW <br />Nos. 1 & 2 Sec. 33 <br />(St. James) T2S,R70W <br />New Castle SW,SE,NW 1884 <br />1890 <br />(Old Star) Sec. 21 , <br />1898 (?) <br /> T3S,R70W <br />New (Little) NW,SE,NW <br />White Ash Sec. 28 <br /> T3S,R70W <br />New NE,SW 1890-1892 <br />Loveland Sec. 28 <br /> T3S,R70W <br />New Mine NE,SW <br /> Sec. 28 <br /> T3S,R70W <br />Key to unique features symb ols: <br />Reclamation an d/or plans -- Table two <br />lists haz ard abatement work <br />+ Discrepancy between two sources <br />TABLE ONE - JEFFERSON COUNTY <br />SEAM OVERBURDEN <br />THICKNESS THICKNESS PRODUCTION UNIQUE <br />(IN FEET) (IN FEET) (IN TONS) FEATURES <br />4.5' 13,682 <br />14.0'-18.0' 112'+ 18,000 <br />INFORMATION <br />SOURCES <br />1,2,3,7,10 <br />2,3,10 <br />2.0' Production S 1,2,7 <br />listed with <br />Ralston Mine <br />None 1,2,3,7,10 <br />reported <br />317' + None S, Z 1,2,7 <br />reported <br />9.0~ 16,041 S, * 1,2,3,7,10 <br />50-100'(?) None * See Table Two <br />reported <br />Z Multiple mining zones <br />* Mine opening information <br />S Subsidence features <br />F Mine fires <br />D Mine drainage -11- <br />