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. SHANNON MWILSON. INC.
<br />CTL /Thompson, Inc., 1992a, Underdrain filter requirements, west pit and Section 16 pit excess
<br />spoil fills: Letter Report prepared by CTL /Thompson, Inc., Job No. 18,683, for Colowyo
<br />Coal Company, Meeker, Colo., April 27.
<br />CTL /Thompson, Inc., 1992b, Waste rock pile investigation /design, Phase II, geotechnical and
<br />hydrologic investigation: Report prepared by CTL /Thompson, Inc., Job No. 18,714, for
<br />Cyprus Yampa Valley Coal Company, August 14.
<br />CTL /Thompson, Inc., 1993, Geotechnical investigation, South Taylor excess spoil fill, Colowyo
<br />Coal Company, Moffat County, Colorado: Report prepared by CTL /Thompson, Inc., Job
<br />No. 35,853 for Kennecott Energy, Colowyo Coal Company, LP, Meeker, Colo., April 9.
<br />CTL /Thompson, Inc., 1995a, Geotechnical investigation, refuse disposal area (revised), Foidel
<br />Creek mine, Routt County, Colorado: Report prepared by CTL /Thompson, Inc., Job No.
<br />22,253, for Twentymile Coal Company, Oak Creek, Colo., January 17.
<br />CTL /Thompson, Inc., 1995b, Soils and foundation investigation, proposed conveyor system,
<br />Colowyo mine, Moffat County, Colorado: Report prepared by CTL/Thompson, Inc., Job
<br />No. 23,747, for Colowyo Coal Company, LP, December 18.
<br />CTL /Thompson, Inc., 1995c, Supplemental stability investigation, refuse disposal area, basin
<br />resources, Golden Eagle Mine, Weston, Colorado: Report prepared by CTL /Thompson,
<br />Inc., Job No. 22,478, for Basin Resources, Inc., May 10.
<br />CTL /Thompson, Inc., 1996a, Initial stability analysis and geotechnical recommendations, excess
<br />spill disposal areas, proposed Lorencito mine, Las Animas County, Colorado: Report
<br />prepared by CTL /Thompson, Inc., Job No. 25,251, for Lorencito Coal Company,
<br />December 9.
<br />CTL /Thompson, Inc., 1996b, Auger mining analysis, west pit and street pit and stability
<br />evaluation, north wall of west pit, Colowyo mine, Moffat County, Colorado, Job No.
<br />23,535, February.
<br />0
<br />CTL /Thompson, Inc., 1997, Summary of field and laboratory investigation, geotechnical
<br />investigation, excess spoil pile, Lower Wilson pit, Colowyo mine, Moffat County,
<br />Colorado: Letter prepared by CTL /Thompson, Inc., Job No. 26,629, for Colowyo Coal
<br />Company, LP, December 9.
<br />CTL /Thompson, Inc., 1997a, Stability evaluation, small sedimentation embankments, ponds 004,
<br />006, 010, 011, 012, and 013, Lorencito Canyon Mine, Las Animas County, Colorado:
<br />Prepared for Lorencito Coal Company, LLC, September 30.
<br />CTL /Thompson, Inc., 1998, Stability evaluation, existing sedimentation pond embankments,
<br />Colowyo Coal mine, Moffat County, Colorado: Report prepared by CTL /Thompson, Inc.,
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<br />Exh. 23 -1 -25 Revision Date: 08/05/09
<br />Revision No.: PR -03
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