2010-04-26_PERMIT FILE - C1980007A ‎(3)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 4/26/2010
• Doc Name: Refuse Pile Expansion East
• Section_Exhibit Name: Exhibit 82 Refuse Pile Expansion East
• Media Type: D
• Archive: Yes

•
9.0 References
Colorado Department of Public Health and Environment (CDPHE), 2008. CDPS General Permit for
Coal Mining Facilities, Authorization to Discharge under the Colorado Discharge Permit System.
Kulhawy, F.H. and Mayne, P.W., 1990. Manual on estimating soil properties for foundation design.
Report EL -6800, Electric Power Research Inst., Palo Alto.
Hara, A., Ohata, T., and Niwa, M., 1971. Shear Modulus and Shear Strength of Cohesive Soils, Soils and
Foundations, Vol. 14, No. 3, 1 -12.
Mountain Coal Company (MCC), 1999. Exhibit 70, Refuse Pile Expansion, Submitted as Technical
Revision No. 79 to CDMG Permit C -80 -007, January 1997, Revised June 1999 Technical
Revision No. 90 (to reflect construction to date).
Mountain Coal Company (MCC), 2004. Exhibit 70A, Refuse Pile Expansion (RPE) Construction
Plan, Minor Revision No. 303. May 2004.
Mountain Coal Company (MCC), 2008. SEDCAD Output entitled RPE Pond — Routing Network
Main Mine Site. October 2008.
National Oceanic and Atmospheric Administration (NOAA), 1973. NOAA Atlas 2, Volume 3,
Precipitation Frequency Atlas of the Western United States.
National Oceanic and Atmospheric Administration (NOAA), 1984. Hydrometeorological Report 49,
Probable Maximum Precipitation Estimates, Colorado River and Great Basin Drainages.
Natural Resources Conservation Service (NRCS), 1986. Urban Hydrology for Small Watersheds,
Technical Release 55. June 1986.
Natural Resources Conservation Service (NRCS), 2009. Web Soil Survey.
http : / /websoilsurvey.nres.usda.gov /app /WebSoilSurvey.aspx, accessed October 12, 2009.
PAMpls \06 CO \26 \06261003 MCC Refuse Pile Site Review & Permit \WorkFiles\Permit Application \Text\2010- 04- 19_RPE East Permit Application. doc34