Inventory of Amphibians, Reptiles, and Mammals at Allegheny Portage Railroad National Historic Site and Johnstown Flood National Memorial (Technical Report NPS/NER/NRTR--2006/036)
by Richard H. Yahner, Bradley D. Ross,National Park Service
ISBN 13: 9781492169710
Format: Paperback (88 pages) Publisher: CreateSpace Independent Publishing Platform Published: 28 Aug 2013
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