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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 UNIQUE INFORMATION
<br /> (
<br />TONS) FEATURES SOURCES
<br />Ralston
<br />Springs NE,SE,SW
<br />Sec. 9 1891 (?) 6.0'-25.0' 112' None S,Z 1,2,3,7,10
<br />
<br />(Ralston Creek)T3S,R70W reported
<br />Rocky Flats
<br />(Toppan) SE,SE,NW
<br />S 1947-1949 7.5' 175' + 1,7gg 1
<br />2
<br />3
<br />7
<br />10
<br /> ec. 21 1945 ,
<br />,
<br />,
<br />,
<br /> R2S,R70W
<br />Rocky
<br />Mountain NW,NE,NW
<br />Sec. 21 1890 6.0" 175' 1,500 1,2,3,7,10
<br />No. 1 T3S,R70W
<br />Rocky
<br />Mountain NW,SE,SW
<br />Sec. 16 1890-1892 5.5' 175' 5,960 S,Z 1,2,3,7,10
<br />No. 2 T3S,R70W
<br />Rooney White NW,SW,SW 1914-1915 7.0-15.0' 3
<br />843
<br />Ash Sec. 24 1910-1913 , 1,2,3,7,10
<br />(White Ash T4S,R70W
<br />(Rooney))
<br />Rowe
<br />(Roe) SE, NE
<br />Sec. 23 ? -1868 250 *, Reclamation plans 1,2,5,7
<br /> T4S,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 />-13-
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