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Township 6 North, Range 86 West
<br />S'/2 Section 32
<br />W%2 SW'/4, SE'/4 SW'/4 Section 33
<br />Township 5 North, Range 87 West
<br />S'/2 Section 13
<br />SE'/4, E'/2 SW'/4 Section 22
<br />Sections 23, 24, 25, 26 All
<br />E'/2, E'/2 W'/2 Section 27
<br />NE'/4 SE'/4, E%2 W'/2 SE'/4 Section 34
<br />Nl/2, N'/2 S'/2, Nl/2 SE'/4, Nl/2 SWI/4 Section 35
<br />N%2, N%2 N%2 S I/2 Section 36
<br />History of C-1982-056
<br />Coal has historically been mined under other approved permits by surface methods on the dip
<br />slopes, where overburden thickness allows for economic extraction within Twentymile Park
<br />around its margins, and where folding has elevated a major coal seam within the basin. Foidel
<br />Creek Mine is currently the only producing underground operation within Twentymile Park. The
<br />mine is a longwall operation, using continuous miners for entry and development work only.
<br />The permit area presently encompasses approximately 22,447 acres. With the approval of PR -11
<br />the permit area was increased to 22,607 acres.
<br />USGS Quadrangle maps of Milner and Rattlesnake Butte cover the majority of the permit area.
<br />Disturbed areas of the mine include the main surface facilities area along Foidel Creek and
<br />numerous smaller outlying facilities. These mine -related facilities have result in about 712 total
<br />disturbed acres. The main mine facilities lie in Sections 29, 31, 32, TSN, R86W of the 6th
<br />Principal Meridian and are located in, and adjacent to, a strip pit excavated originally by
<br />Colorado Yampa Coal Company's (CYCC) surface mining operation (Eckman Park Mine;
<br />Permit No. C-1981-071). The Eckman Park Mine obtained final Phase III bond release on
<br />February 12, 2002. Other facilities currently within the permit area, but separate from the main
<br />portal facility area, include the Fish Creek Borehole (FCB) facility, the Southwest ventilation
<br />facility (SW vent), the Eastern Mining District ventilation facility (EMD vent), the Eastern
<br />Mining District dewatering facility (I ORT borehole), the 18 -Right Escape Shaft and Mine
<br />Atmosphere Control (MAC) borehole, the 18 -Left Ventilation boreholes and MAC borehole, the
<br />6 -Main North Ventilation Shaft, the 6 -Main North escape shaft and supply boreholes, the 6 -Main
<br />North reservoir, the 16 -Left Utility Borehole, the Sandstones substation and Barricade chamber,
<br />the Fish Creek Tipple (FCT) facility, the Eastern Mining District grout hole pad, the 5 -Main
<br />North Cement Borehole and Pipeline and various roads and waterlines throughout the permit
<br />area.
<br />The Fish Creek Borehole (FCB) is located on Fish Creek approximately two miles northwest of
<br />the main facility area in Section 25, TSN, R87W. The FCB facility consists of two dewatering
<br />boreholes, an inactive ventilation shaft that has been reconfigured to a mine water borehole, three
<br />treatment ponds, associated roads, a substation, a utility building, and water treatment
<br />equipment. The SW vent was reclaimed in 1996 and is located in Section 36, TSN, R87W. The
<br />EMD vent facility is located in Section 14, TSN, R86W and consists of two ventilation shafts
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