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<br />• LIST OF REFERENCES
<br />1. State of Colorado Departmnt of Natural Resources, Mined Land Reclamation
<br />Division, "Regulations of the Colorado Mined Land Reclamation Board For
<br />Coal Mining," August 30, 1980, revised June 30, 1991.
<br />2. Slope Stability and Stabilization Methods, Abramson, Lee, Sharma, and
<br />Boyce, 1996.
<br />3. Geotechnical Practice for Disposal of Solid Waste Materials, Geotechnical
<br />Engineering Division, University of Michigan, June 1977.
<br />4. W. A. Wahler and Associates, "Report on Preliminary Design of Open Pit
<br />Slopes -Multi-Seam Open Pit Coal Mine -Red Wing Mine, Craig, Moffat
<br />County, Colorado," April 1975.
<br />5. SLOPE/W, by Geoslope International, Ltd., Calgary, Alberta, Canada, Version
<br />3, 1995.
<br />Previous Irnestigations by CTL/Thompson, Inc.:
<br />1. Engineering and Design Manual for Disposal of Excess Spoil, prepared to
<br />Office of Surface Mining U. S. Department of the Interior, Contract Number
<br />• J5110084, Report by CTUThompson, Inc., dated November 30, 1982.
<br />2. "Excess Spoils," Job No. 5664B, prepared for Energy Fuels Corporation,
<br />Steamboat Springs, Colorado, report by CTL/Thompson, Inc., dated
<br />September 11, 1979.
<br />3. "Geotechnical Investigation, West Pit Excess Spoil Disposal Site, Colowyo
<br />Coal Mine, Moffat County, Colorado," Job No. 16,516, prepared for Colowyo
<br />Coal Company, Meeker, Colorado, report by CTLlfhompson, Inc., dated
<br />September 5, 1990, revised March 1, 1991.
<br />4. "Density and Stability Study Refuse Disposal Area, New Elk Coal Mine, Las
<br />Animas County, Colorado," Job No. 17,453, prepared for Wyoming Fuel
<br />Company, Weston, Colorado, report by CTL/Thompson, Inc., dated April 29,
<br />1991.
<br />5. "Geotechnical Investigation, Section 16 Excess Spoil Disposal Site, Colowyo
<br />Coal Mine, Moffat County, Colorado," Job No. 17,544, prepared for Colowyo
<br />Coal Company, report by CTLIThompson, Inc., dated March 29, 1991.
<br />6. "Underdrain Filter Requirements, West Pit and Section i6 Pit Excess Spoil
<br />Fills," Job No. 18,638, prepared for Colowyo Coal Company, letter by
<br />CTL(Thompson, Inc., dated April 27, 1992.
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<br />LORENCITO COAL COMVANV
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