Daniel J. Soeder and William M. Kappel. “Water Resources and Natural Gas Production from the Marcellus Shale”. U.S. Department of the Interior, Fact Sheet 2009-3032, May 2009. U.S. Geological Survey (USGS), 2009. (PDF)
See also: Milici, Robert C. (2005). Assessment of undiscovered natural gas resources in Devonian black shales, Appalachian basin, eastern U.S.A.: American Association of Petroleum Geologists Abstracts Volume for the AAPG 2005 Annual Convention, p. A93.
See also: Milici, Robert C. and Christopher S. Swezey. (2006) Assessment of Appalachian Basin Oil and Gas Resources: Devonian Shale–Middle and Upper Paleozoic Total Petroleum System.
“The U.S. Geological Survey (USGS) recently completed an assessment of the technically recoverable undiscovered hydrocarbon resources of the Appalachian Basin Province. The assessment province includes parts of New York, Pennsylvania, Ohio, Maryland, West Virginia, Virginia, Kentucky, Tennessee, Georgia and Alabama.”
See also: Marcellus Gas: The Marcellus Shale Formation Information Site
See: Energy Policy Act of 2005
See: This Website is a Crash Course In Fracking
See: Affirming Gasland
See: U.S. Environmental Protection Agency (EPA): Weston Wilson Whistle Blower Letter
See: NETL: Secure & Reliable Energy Supplies
See: Energy Policy Act of 2005-Critique
See: EPA Findings on Hydraulic Fracturing Deemed “Unsupportable”
See: Coalbed Methane Development: The Costs and Benefits of an Emerging Energy Resource
See: Natural gas: the commodity world’s ugly duckling
See: Ecological integrity of streams related to human cancer mortality rates
See: The Tragedy of the Commons
See: Expert Testimony on Hydraulic Fracturing Impacts
See: Hydraulic Fracturing: History of an Enduring Technology
