Origin of Thermogenic and Biogenic Natural Gas in the Tongue River Member Coals of the Fort Union Formation, Northeastern Powder River Basin, Wyoming (2007)

Surdam, R.C., Jiao, Zunsheng, and Heasler, H.P., 2007, Origin of thermogenic and biogenic natural gas in the Tongue River Member coals of the Fort Union Formation, northeastern Powder River Basin, Wyoming: Wyoming State Geological Survey Report of Investigation 58, 43 p.