TY - RPRT TI - Carbon and hydrogen isotopic evidence for the origin of combustible gases in water-supply wells in north-central Pennsylvania AU - K. M. Revesz AU - K. J. Breen AU - A.J. Baldassare AU - R.C. Burruss PY - 2010 DO - 10.1016/j.apgeochem.2010.09.011 UR - https://pubs.usgs.gov/publication/70037682 ID - 70037682 ER -