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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 />Leader NW,NE,NW 1893-1899 7.0' 179,333 1,2,3,7,10
<br /> Sec. 17
<br /> T1S,R69W
<br />Lewis Nos. 1,2 NE ,NE ,NE 1914-1942 5.5' 164,057 *,Reclamation plans 1,2,3,5,7,10
<br />(Peerless) Sec. 21 1926-1933
<br /> T1S,R70W
<br />Liley N/2,NE,NW 1937-1948 7.7' 348' 118,001 1,2,3,7,10
<br /> Sec. 13
<br /> T1S,R69W
<br />Longs Peak SW,SW,NE 1891-1900 6.0' 216,762 1,2,3,7,10
<br /> Sec. 13
<br /> T1N,R69W
<br />Marfel NE ,SE 1897-1904 14.0' 14,302 1,2,3,7,10
<br /> Sec. 24
<br /> T1N,R69W
<br />Marshall #1 SW,NW,NE 1884-1901, 8.0'-9.0' 715,822 S,F 1,2,3,7,10
<br />(old Marshall) Sec. 21 1938-1939
<br />
<br />Marshall #2 T1S,R70W
<br />NW,NW,NW
<br />1863-1884
<br />8.0'-9.0'
<br />included with
<br />1,2,3,7,10
<br /> Sec. 22 Marshall #1
<br /> T1S,R70W
<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
<br />+ Discrepancy between two sources D Mine drainage
<br />-18-
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