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DATES OF <br />MINE NAME LOCATION OPERATION <br />Sunlight NE,NE,NW 1948-1952 <br />(Hi-Grade) Sec. 18 1952-1954 <br /> T20S,R69W <br />Superior NW,SW,NE 1958-1960 <br /> Sec. 19 <br /> T20S,R69W <br />Superior Unknown,SW,SE 1930-1931 <br /> Sec. 19 <br /> T20S,R69W <br />Tom Williams Unknown 1890 <br /> W/2,SE <br /> Sec. 19 <br /> T19S,R69W <br />Twin Pines NE,SW,NW 1956-1977 <br /> Sec. 1 <br /> T20S,R70W <br />Unknown NW,SW <br /> Sec. 17 <br /> T20S,R70W <br />Vendetti NE,SW,SW <br /> Sec. 18 <br /> T19S,R69W <br />Key to uniqu e features symbols: <br />Reclamation and/or plans -- Table Two <br />lists h azard abatement work <br />+ Discrepan cy between two sources <br />TABLE ONE - FREMONT COUNTY <br />SEAM OVERBURDEN <br />THICKNESS THICKNESS PRODUCTION <br />(IN FEET) (IN FEET) (IN TONS) <br />3.5'-3.9' 18,381 <br />3.2' 1,590 <br />3.0' 775 <br />3.0'-3.5' 5,000 <br />5.5'-6.5' 75'-200' 408,126 <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 />INFORMATION <br />SOURCES <br />1,2,3,10 <br />1,2,3,10 <br />2,3,10 <br />2,3 <br />1,2,3,10 <br />1,2,3,10 <br />1,10 <br />-31- <br />