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DATES OF <br />MINE NAME LOCATION OPERATION <br />Chay Unknown <br />Cokedale Nos. NW,NW,SE 1907-1919 <br />1 & 2 SE,NE,NE(#2) <br /> Sec. 25 <br /> T33S,R65W <br />Colorado Canon NE,NE,NE 1941 <br /> Sec. 16 and <br /> NW,NW,NW <br /> Sec. 15 <br /> T33S,R64W <br />Congo SE,NE,SE 1911-1926 <br /> Sec. 28 <br /> T30S,R65W <br />Consolidated Unknown 1885 <br />Coal & Stone <br />Cornell S/2,SW,NW <br /> Sec. 17 <br /> T34S,R68W <br />Corra Unknown 1915-1923 <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 - LAS ANIMAS COUNTY <br />SEAM OVERBURDEN <br />THICKNESS THICKNESS PRODUCTION <br />(IN FEET) (IN FEET) (IN TONS) <br />100 <br />UNIQUE INFORMATION <br />FEATURES SOURCES <br />2 <br />6.0'-7.0' 40.0'-60.0' 2,958,476 Dust explosion 1911 1,2,3,5,10 <br />*, Reclamation <br />1.3' 176 <br />2.5' 2,748 <br />10,000 <br />None reported <br />3.0' 1,150 <br />Z Multiple mining zones <br />* Mine opening information <br />S Subsidence features <br />F Mine fires <br />D Mine drainage <br />Reclamation plans 1,2,3,5,10 <br />2,3,8,10 <br />2 <br />2,3,10 <br />2 <br />-15- <br />