Biotic Inventory in the Schwoebel Tract at Valley Forge National Historical ParkRichard Yahner, Jacob Kubel, Badley Ross, National Park Service Staff · First published 2013Open the Tome
Inventory of Amphibian and Reptile Species at Gettysburg National Military Park and Eisenhower National Historic SiteRichard Yahner, Katharine Derge, Jennifer Mravintz, National Park Service Staff · First published 2013Open the Tome
Inventory of Amphibians, Reptiles, and Mammals at Allegheny Portage Railroad National Historic Site and Johnstown Flood National MemorialRichard Yahner, Bradley Ross, National Park Service Staff · First published 2013Open the Tome
Inventorying and Monitoring Protocols of Amphibians and Reptiles in National Parks of the Eastern United StatesRichard Yahner, Gerald Storm, Gregory Keller, Bradley Ross, Ronald Rohrbaugh · First published 2013Open the Tome
Inventorying and Monitoring Protocols of Vertebrates in National Park Areas of the Eastern United StatesRichard Yahner, Gerald Storm, Gregory Keller, Ronald Rohrbaugh · First published 2013Open the Tome
