TY - RPRT TI - Methanogenic pathways of coal-bed gas in the Powder River Basin, United States: The geologic factor AU - R. M. Flores AU - C. A. Rice AU - G. D. Stricker AU - A. Warden AU - M.S. Ellis PY - 2008 DO - 10.1016/j.coal.2008.02.005 UR - https://pubs.usgs.gov/publication/70000032 ID - 70000032 ER -