TY - RPRT TI - Chemical and stable isotopic composition of water and gas in the Fort Union Formation of the Powder River Basin, Wyoming and Montana: Evidence for water/rock interaction and the biogenic origin of coalbed natural gas AU - Cynthia A. Rice AU - Romeo M. Flores AU - Gary D. Stricker AU - Margaret S. Ellis PY - 2008 DO - 10.1016/j.coal.2008.05.002 UR - https://pubs.usgs.gov/publication/70045289 ID - 70045289 ER -