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TABLE ONE - JEFFERSON COUNTY <br /> SEAM OVERBURDEN <br /> <br />MINE NAME <br />LOCATION DATES OF <br />OPERATION THICKNESS <br />(IN FEET) THICKNESS <br />(IN FEET) PRODUCTION <br />(IN TON UNIQUE INFORMATION <br /> S) FEATURES SOURCES <br />New Star NE,NW,SW None <br /> <br />Sec. 21 1,2,7 <br /> <br />T3S,R70W reported <br />Old Leyden NE,SE <br />SW <br /> , <br />Sec. 28 None 1,2,7 <br /> <br />T2S,R70W reported <br />Old Loveland <br />(Loveland) SE,SE,SW <br />Sec. 28 1877-1879 4.5-6.0' 250' + 8,890 1,2,7 <br /> T3S,R70W <br />Old Star SW,SE,NW 1898 <br /> <br />Sec. 21 1,2,7 <br /> T3S R70W <br />Pittsburgh Unknown None <br /> <br />(Nos. 1 & 2) <br />SE Sec. 15 1,2,7 <br /> , <br />and reported <br /> SW Sec. 16, <br /> T3S, R70W <br />Ralston NE,NE,NW 1884-1898 2.0' 11 <br />850 S <br /> <br />(Little <br />Sec. 4 <br />1880 , 1,2,3,10 <br />Ralston) T3S,R70W <br />Key to unique features symbols: Z Multiple minine 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 />-12- <br />