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Dennis McGeehan is a retired college history professor who has worked at both Penn State University and the University of Pittsburgh. He has also worked for many years as a freelance photographer travelling around the world numerous times. He has also worked as a photographer for the Philadelphia Foundation For Architecture. He is the author of several books on St. Marys (PA) and Elk County (PA) history.

Dennis McGeehan (3)

St. Marys Through Time


Ridgway Through Time


Johnsonburg Through Time