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<br /> DATES OF
<br />MINE NAME LOCATION OPERATION
<br />Storrs NW, NE 1901-1904
<br />(Caryl) Sec. 1 1898-1900
<br />(Pallot) T1S,R69W
<br />Summit Unknown 1909-1913
<br /> SW,SE
<br /> Sec .6
<br /> T1S,R69W
<br />Sunnyside NW,NE,NE 1900-1921
<br /> Sec. 28
<br /> T1S,R69W
<br />Sunrise SW,SE,SW 1927-1933
<br />(New Red Ash) Sec. 15 1935-1936
<br /> T1S,R70W
<br />Superior Unknown 1885
<br />Tropic NW,SE,NW 1935-1936
<br /> Sec. 15
<br /> T1S,R70W
<br />Tynon NW,NW,NE 1900-1904
<br /> Sec. 24
<br /> T1N,R69W
<br />Key to unique features symb ols:
<br />Reclamation an d/or plans -- Table Two
<br />lists haz ard abatement work
<br />+ Discrepancy between two sources
<br />TABLE OPIE -BOULDER COUNTY
<br />SEAM OVERBURDEN
<br />THICKNESS THICKNESS PRODUCTION UNIQUE INFORMATION
<br />(IN FEET) (IN FEET) (IN TONS) FEATURES SOURCES
<br />5.0'-5.5' 42,610 S (north of 1,2,3,7,10
<br /> mine area)
<br />5.0' 88,898 2,3,7,10
<br />5.0' 324'+ 299,661 S,Gas explosion 1902 1,2,3,7,10
<br />6.0' 15,966 1,2,3,7,10
<br />4.5' 4,812 2,3,7,10
<br />4.4' 50'+ 1,408 1,2,3,7,10
<br />5.0' 81,747 1,2,3,7,10
<br />Z Multiple mining zones
<br />* Mine opening information
<br />S Subsidence features
<br />F Mine fires
<br />D Mine drainage
<br />_27_
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