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DATES OF <br />MINE NAME LOCATION OPERATION <br />Alfreda E/2,E/2,NE 1947-1950 <br />(Brodhead #2) Sec. 20 1950-1958 <br /> T30S,R65W <br />Allen NW,NW,SE 1951-1982, <br />East-West Sec. 23 (Present?) <br />Portals T33S,R68W <br />(Apache Also Sec. 21, <br />Prospect - 22,27 1946 <br />West Portal) <br />Alta SE,SW,SW 1911-1912 <br />(Brodhead #10, Sec. 16 <br />11) T30S,R65W 1920-1922 <br />Amador NE,NE,NW 1912-1923 <br />(Rival) Sec. 2 <br /> T31S,R65W <br />Anchor #1 NE,NW,SE 1928-1951 <br />(Anchor #2) Sec. 32 1950-1961 <br />(Philips) T32S,R65W 1918 <br />(Eureka) 1919 <br />(Macoye) 1920-1922 <br />TABLE ONE -LAS ANIMAS COUNTY <br />SEAM OVERBURDEN <br />THICKNESS THICKNESS PRODUCTION <br />(IN FEET) (IN FEET) (IN TONS) <br />3.1'-3.5' 19,280 <br />5.0'-5.5' 1200' 15,195,389 <br />4.0' 200'-300' 164,049 <br />2.3' <br />5.1' <br />Key to unique features symbol: Z Multiple mining zones <br />* Mine opening information <br />Reclamation and/or plans -- Table Two S Subsidence features <br />lists hazard abatement work F Mine fires <br />+ Discrepancy between two sources D Mine drainage <br />150' 14,927 <br />227,882 <br />UNIQUE <br />FEATURES <br />Gas explosion 1956 <br />Z <br />INFORMATION <br />SOURCES <br />2,3,8,10 <br />2,3,10 <br />2,3,8,10 <br />2,3,8,10 <br />2,3,8,10 <br />-9- <br />