US Geological Survey / by Robert C. Milici, James L. Coleman, Elisabeth L. Rowan, Troy A. Cook, Ronald R. Charpentier, Mark A. Kirschbaum, Timothy R. Klett, Richard M. Pollastro, and Christopher J. Schenk
http://pubs.usgs.gov/fs/2012/3075/
[From Press Release] Using a geology-based assessment method, the U.S. Geological Survey estimated a mean undiscovered natural gas resource of 3.9 trillion cubic feet and a mean undiscovered natural gas liquids resource of 135 million barrels in continuous accumulations within five East Coast Mesozoic basins, according to a new USGS report.
The area assessed extends across parts of Georgia, South Carolina, North Carolina, Virginia, Maryland, Delaware, Pennsylvania, New Jersey, New York, Connecticut, and Massachusetts. The five basins assessed are the Deep River, Taylorsville, South Newark, Dan River-Danville, and Richmond basins. Of those five, the Deep River, in North Carolina; the Taylorsville, primarily in Virginia and southern Maryland; and the South Newark, in New Jersey and Pennsylvania, are estimated to possess the most resource potential…