• ICF Jones & Stokes. 2009. Sage Creek Mine 2008/2009 Wildlife Baseline Report.
<br />Gillette, Wyoming 34 pages.
<br />Nyenhuis, James. 2009. Soil Resources Survey of the Sage Creek Coal Mine Routt County,
<br />Colorado.
<br />February 2009.
<br />Peabody Energy Corporation. 1980, as amended. Seneca II Mine Permit. Mining and
<br />Reclamation Plan., Post - Mining Land Use. Tab 13
<br />Cultural and Historic
<br />Metcalf Archaeological Consultants, Inc. February 2009. Peabody Energy Twentymile Coal
<br />Company Sage Creek Subsidence Project: A Class III Cultural Resource Inventory, Routt
<br />County, Colorado.
<br />Metcalf Archaeological Consultants, Inc. January 2009. A Class III Cultural Resources
<br />Inventory of the Proposed Twentymile Coal Company Sage Creek Stockpile and Portal
<br />Areas, Routt County, Colorado.
<br />Geology (2.04.5)
<br />is Bass, N. W., Eby, J. B., and Campbell, M. R. (1955) Geology and mineral fuels of parts of Routt
<br />and Moffat counties, Colorado. USGS Bulletinl027 -D.
<br />Brownfield, Michael E., Hettinger, Robert D., and Johnson, Edward A. U.S. Geological Survey
<br />Professional Paper 1625 -B, Chapter I, A Summary of the Stratigraphy, Coal Resources,
<br />and Coal -Bed Methane Potential of Northwest Colorado
<br />CGS, 2003, Carrol J. Christopher, Papp R. Alexander, Kinnes M. Dwight, Available Coal
<br />Resources of the Williams Fork Formation in the Yampa Coal Field, Routt and Moffat
<br />Counties, Colorado, Colorado Geologic Survey Resource Series 41, 2003.
<br />EPA (2004) Evaluation of Impacts to Underground Sources of Drinking Water by Hydraulic
<br />Fracturing of Coalbed Methane Reservoirs. Report 816 -R -04 -003. June 2004.
<br />Kirschbaum, M.A., and L.R.H. Beiwick. 2000. A Summary of the coal Deposits in the
<br />Colorado Plateau: Arizona, Colorado, New Mexico, and Utah. Chapter B of Geologic
<br />Assessment of Coal in the Colorado Plateau: Arizon, Colorado, New Mexico, and Utah,
<br />Edited by M.A. Kirschbaum, L.N.R. Roberts, and L.R.H. Biewick: u.S. Geologic Survey
<br />Professional Paper 1625 -B.
<br />Robson, S. G., Stewart, M. (1990) Geohydrologic Evaluation of the Upper Part of the Mesaverde
<br />Group, Northwestern Colorado USGS in cooperation with the Colorado Department of
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<br />TR03 -11 2.03 -5 Revision 05/2011
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