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REFERENCES
<br />Clark, Ian and Ramon Aravena 2002
<br />Environmental Isotopes in Ground Water Resources and Contaminant Hydrogeology, National Ground
<br />Water Association Short Course. Denver, Colorado, March 11-12, 2002. Authors Files.
<br />Heath, Ralph C. 1983
<br />Basic Ground-Water Hydrology, USDOI Geological Survey Water-Supply Paper 2220. USDOI
<br />Geological Survey Library.
<br />Mayo, Alan L. 1998
<br />Characterization of Fault-Related Groundwater Inflows, West Elk Mine, Somerset, Colorado. Report
<br />from Mayo and Associates to Mountain Coal Company, Somerset, Colorado. Authors Files.
<br />Munnich, K. O. 1957
<br />Messung des 14C-Gehaltes von hartem grundwasser. Naturwissenschaften 44, No. 2: 32-34. Referred
<br />to in Ground Water Dependance of Endangered Ecosystems: Nebraska Eastern Saline Wetlands by F.
<br />Edwin Harvey, Jerry F. Ayers, and David C. Gosselin. Ground Water, Vol. 45 No. 6: 736-752. 2007
<br />November- December. USDOI Geological Survey Library.
<br />Oldaker, Paul 2004
<br />Dating Isotope Report, Raton Basin, Colorado. February 2004 report to Cedar Ridge LLC. Colorado Oil
<br />& Gas Conservation Commission Files.
<br />Oldaker, Paul 2005
<br />Dating Isotope Report, Susitna Basin, Alaska. March 2005 report to Pioneer Resources LLC. Alaska
<br />Department of Natural Resources Files.
<br />Oldaker, Paul and Dr. Udo Fehn 2005
<br />Dating of Coal Bed Methane Reservoir and Surface Waters in the Raton Basin, Colorado and the
<br />Susitna Basin, Alaska. Presented at the Rocky Mountain Association of Geologists, Coal Bed Methane
<br />Conference, Denver, Colorado. Also presented at American Association of Petroleum Geologists,
<br />Rocky Mountain Section Meeting, September 2005, Jackson, Wyoming. Authors Personal Files.
<br />Peabody Investments Corporation 2009
<br />Sage Creek Mine Permit Application to the Colorado Department of Mining, Reclamation and Safety.
<br />CDMRS Files.
<br />Snyder, G. T., W. C. Riese, S. Franks, U. Fehn, W. L. Pelzmann, A. W. Gorody, and J. E. Moran 2003
<br />Origin and History of Waters Associated with Coal Bed Methane: Iodine 129, Chlorine 36, and Stable
<br />Isotope Results from the Fruitland Formation, CO and NM. Geochimica et Cosmochimica Acta, V.67,
<br />No.23, p4529-4544. USDOI Geological Survey Library.
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