Fleeger, G. M., McElroy, T. A., & Moore, M. E. (2004). Hydrogeologic and well-construction characteristics of the rocks of Pennsylvania [electronic resource]. [Pennsylvania]: Pennsylvania Geological Survey.
Chicago Style CitationFleeger, Gary M., Thomas A. McElroy, and Michael E. Moore. Hydrogeologic and Well-construction Characteristics of the Rocks of Pennsylvania [electronic Resource]. [Pennsylvania]: Pennsylvania Geological Survey, 2004.
MLA CitationFleeger, Gary M., Thomas A. McElroy, and Michael E. Moore. Hydrogeologic and Well-construction Characteristics of the Rocks of Pennsylvania [electronic Resource]. [Pennsylvania]: Pennsylvania Geological Survey, 2004.