TY - RPRT TI - An assessment of in-place gas resources in the low-permeability basin centered gas accumulation of the Bighorn Basin, Wyoming and Montana AU - R. C. Johnson AU - R. A. Crovelli AU - B.G. Lowell AU - T.M. Finn PY - 1999 DO - 10.3133/ofr99315a UR - https://pubs.usgs.gov/publication/ofr99315A ID - ofr99315A ER -