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# Faill, R. T., 1985, The Acadian orogeny and the Catskill delta, in D. W. Woodrow and W. D. Sevon eds., The Catskill delta: Geological Society of America Special Paper 201, p. 15–37.

# Faill, R. T., 1985, The Acadian orogeny and the Catskill delta, in D. W. Woodrow and W. D. Sevon eds., The Catskill delta: Geological Society of America Special Paper 201, p. 15–37.

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# Gwinn, V. E., 1964, Thin-skinned tectonics in the Plateau and northwestern Valley and Ridge provinces of the central Appalachians: Geological Society of America Bulletin, v. 75, no. 9, p. 863–900, doi:10.1130/0016-7606(1964)75[863:TTITPA]2.0.CO;2.

# Gwinn, V. E., 1964, Thin-skinned tectonics in the Plateau and northwestern Valley and Ridge provinces of the central Appalachians: Geological Society of America Bulletin, v. 75, no. 9, p. 863–900, doi:10.1130/0016-7606(1964)75[863:TTITPA]2.0.CO;2.

# Heidbach, O., M. Tingay, A. Barth, J. Reinecker, D. Kurfebeta, and B. Muller, 2008, The world stress map based on the database release 2008, equitorial scale 1:46,000,000: Paris, Commission for the Geological Map of the World, doi:10.1594/GFZ.WSM.Map2009, 2009.

# Heidbach, O., M. Tingay, A. Barth, J. Reinecker, D. Kurfebeta, and B. Muller, 2008, The world stress map based on the database release 2008, equitorial scale 1:46,000,000: Paris, Commission for the Geological Map of the World, doi:10.1594/GFZ.WSM.Map2009, 2009.

# Jarvie, D. M., R. J. Hill, and R. M. Pollastro, 2005, Assessment of the gas potential and yields from shales: The Barnett Shale model, in Unconventional energy resources in the southern midcontinent, 2004 symposium: Oklahoma Geological Survey Circular 110, p. 37–50.

# Jarvie, D. M., R. J. Hill, and R. M. Pollastro, 2005, Assessment of the gas potential and yields from shales: The Barnett Shale model, in Unconventional energy resources in the southern midcontinent, 2004 symposium: Oklahoma Geological Survey Circular 110, p. 37–50.

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# Nyahay, R., J. Leone, L. B. Smith, J. P. Martin, D. J. Jarvie, 2007, Update on regional assessment of gas potential in the Devonian Marcellus and Ordovician Utica shales of New York: Search and Discovery Article 10136: http://www.searchanddiscovery.com/documents/2007/07101nyahay/*05 (accessed October 9, 2009).

# Nyahay, R., J. Leone, L. B. Smith, J. P. Martin, D. J. Jarvie, 2007, Update on regional assessment of gas potential in the Devonian Marcellus and Ordovician Utica shales of New York: Search and Discovery Article 10136: http://www.searchanddiscovery.com/documents/2007/07101nyahay/*05 (accessed October 9, 2009).

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# Weary, D. J., R. T. Ryder, and R. Nyahay, 2000, Thermal maturity patterns (CAI and % Ro) in the Ordovician and Devonian rocks of the Appalachian Basin in New York state: U.S. Geological Survey Open-File Report 2000-496, 39 p.

# Weary, D. J., R. T. Ryder, and R. Nyahay, 2000, Thermal maturity patterns (CAI and % Ro) in the Ordovician and Devonian rocks of the Appalachian Basin in New York state: U.S. Geological Survey Open-File Report 2000-496, 39 p.

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# Zielinski, R. E., and R. D. McIver, 1982, Resources and exploration assessment of the oil and gas potential in the Devonian gas shales of the Appalachian Basin: U.S. Department of Energy, Morgantown Energy Technology Center, DOE/DP/0053-1125, p. 326.

# Zielinski, R. E., and R. D. McIver, 1982, Resources and exploration assessment of the oil and gas potential in the Devonian gas shales of the Appalachian Basin: U.S. Department of Energy, Morgantown Energy Technology Center, DOE/DP/0053-1125, p. 326.