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TABLE ONE -BOULDER COUNTY
<br /> SEAM OVERBURDEN
<br /> DATES OF THICKNESS THICKNESS PRODUCTION UNIQUE INFORMATION
<br />MINE NAME LOCATION OPERATION (IN FEET) (IN FEET) (IN TONS) FEATURES SOURCES
<br />Black NE ,SE ,SW 1931-1956 4.5'-6.0' 268' 801,657 S 1,2,3,7,10
<br />Diamond #2 Sec. 34
<br /> T1N,R69W
<br />Blue Goose SE,NE 1921-1924 6.0' 13,116 S 1,2,3,7,10
<br />(Blue Ribbon) Sec. 11 1905-1906
<br /> T1S,R70W
<br />Boulder Black Unknown 1925-1926 7.0' 1,643 2,3,7,10
<br />Hawk
<br />Brunton Unknown 1936 zero 2,3,7,10
<br /> Sec. 15
<br /> T1S,R69W
<br />Cactus SW,SE,NE 1932-1935 4.0'-6.5' 15,493 S 1,2,3,7,10
<br />(Glo-Coal) Sec. 11 1917-1922
<br /> T1S,R70W
<br />Caledonia SE ,SE ,NE 1890-1898 6.0' 278,447 1,2,3,7,10
<br /> Sec. 8
<br /> T1S,R69W
<br />Cambro NW,SW,SE 1917-1928 5.0'-6.5' 107,831 1,2,3,7,10
<br /> Sec. 2
<br /> T1S,R69W
<br />Key to unique features symbols: 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 -10-
<br />+ Discrepancy between two sources D Mine drainage
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