Coalbed Methane Activity in the Western Powder River Basin, Campbell, Converse, Johnson, Natrona and Sheridan Counties, Wyoming (2009)

Quillinan, S.A., Jones, N.R., and De Bruin, R.H., 2009, Coalbed methane activity in the western Powder River Basin, Campbell, Converse, Johnson, Natrona, and Sheridan counties, Wyoming: Wyoming State Geological Survey Map Series 57, scale 1:200,000.