ISBN 9781492804840 books & textbook
Vegetation Classification and Mapping of Valley Forge National Historical Park (Technical Report NPS/NER/NRTR--2005/028)
Podniesinski, Greg Sneddon, Lesley Lundgren, Julie Devine, Hugh Slocumb, Bill Koch, Frank National Park Service
CreateSpace Independent Publishing Platform /2013-09-27 Paperback / 128 Pages
isbn-10: 1492804843 / isbn-13: 9781492804840
