A. Markowski

Coalbed methane resource potential and current prospects in Pennsylvania

A. Markowski, 1998 .

Geohydrologic and Water-Quality Characterization of a Fractured-Bedrock Test Hole in an Area of Marcellus Shale Gas Development, Bradford County, Pennsylvania

John H. Williams, Dennis W. Risser, Kristen L. Hand, 2013 .

PS Pennsylvania Coalbed Methane Update

Antonette K. Markowski, A. Markowski, 2014 .