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<br /> • DATES OF
<br />MINE NAME LOCATION OPERATION
<br />Rex Carbon NE,NE,NE 1969-1970
<br />No. 2 Sec. 25
<br /> T20S,R70W
<br />Rocchio (old) SW,SE,SE 1917-1921
<br /> Sec. 30
<br /> T19S,R69W
<br />Rockdale Unknown,NW 1934-1935
<br />Canon $ec.35,T19S,R70W
<br />Rock ley Unknown,Sec.13
<br /> T19S,R70W
<br />Rockvale No.i NE ,SE ,NE 1883-1898
<br />and Sec. 25
<br />Rockvale No.2 T19S,R70W 1899-1934
<br />Rockvale No.3 Sec. 4,5,8,9 1931-1952
<br />(Nom ac) T19S,R70W 1904-1930
<br />(Rockvale No. 5) 1887-1892
<br />Rockvale No.4 SW,SE,SW 1884-1895
<br />Sec. 19 and 30
<br />T19S,R69W
<br />Rockvale No.7 SW,NW,SW 1888-1892
<br />Sec. 11
<br />T195,R70W
<br />Key to unique features symbols:
<br />Reclamation and/or plans -- Table Two
<br />lists hazard abatement work
<br />+ Discrepancy between two sources
<br />TABLE ONE - FREMONT COUNTY
<br />SEAM OVERBURDEN
<br />THICKNESS THICKNESS PRODUCTION
<br />(IN FEET) (IN FEET) (IN TONS)
<br />10.0'-12.0' 8,284
<br />4.5' 3,346
<br />4.1' 573
<br />361
<br />3.2'-7.3' 300'-450'(?) 6,150,114
<br />3.0'-6.0' 1,527,136
<br />3.4' 343,293
<br />7.0' 303,185
<br />Z Multiple mining zones
<br />* Mine opening information
<br />S Subsidence features
<br />F Mine fires
<br />D Mine drainage
<br />UNIQUE
<br />FEATURES
<br />S
<br />Z
<br />F
<br />1
<br />INFORMATION
<br />SOURCES
<br />1,2,3,10
<br />1,2,3,10
<br />2,3,10
<br />2,3,10
<br />1,2,3,10
<br />1,2,3,10
<br />1,2,3,10
<br />2,3,10
<br />_28_
<br />
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