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MINE NAME LOCATION <br />New Baker SE,SE,SE <br /> Sec. 1 <br /> T1S,R69W <br />New Centennial SE ,SE ,SW <br /> Sec. 10 <br /> T1S,R69W <br />New Ross SE,SW,SE <br /> Sec. 15 <br /> T1S,R70W <br />Nonpariel C,S/2,NW <br />(Brooks) Sec. 16 <br /> (also Sec. 17) <br /> T1S,R69W <br />North Slope Unknown <br />No. 6 <br />Northern SW,NW,SE <br /> Sec. 15 <br /> T1S,R70W <br /> TABLE ONE -BOULDER COUNTY <br /> SEAM OVERBURDEN <br />DATES OF THICKNESS THICKNESS PRODUCTION UNIQUE INFORMATION <br />OPERATION (IN FEET) (IN FEET) (IN TONS) FEATURES SOURCES <br />1905-1909 5.0' 11,517 1,2,3,7,10 <br />1936-1952 5.5' 285' 1,834,763 1,2,7 <br />1931-1940 4.5' 18,988 S, Reclamation 1,2,3,5,7,10 <br />1907-1925 6.0' 285'(?) 450,299 1,2,3,7,10 <br />1933 847 2,3,7,10 <br />1935-1938 4,937 2,3,10 <br />Key to unique features symbols: <br />Reclamation and/or plans -- Table Two <br />lists hazard abatement work <br />+ Discrepancy between two sources <br />Z Multiple mining zones <br />* Mine opening information <br />S Subsidence features <br />F Mine fires <br />D Mine drainage <br />-21- <br />