The Mid-Atlantic shore to the Appalachian highlandsGary M. Fleeger · First published 2010Open the Tome
Hydrogeologic and well-construction characteristics of the rocks of PennsylvaniaGary M. Fleeger, Thomas A. McElroy, Michael E. Moore, Geological Survey of Pennsylvania · First published 2004Open the Tome
Hydrologic effects of the Pymatuning earthquake of September 25, 1998, in northwestern PennsylvaniaGary M Fleeger · First published 1999Open the Tome
