Condition of Vegetation Communities in Allegheny Portage Railroad National Historic Site and Johnstown Flood National MemorialStephanie Perles, Kristina Callahan, Matthew Marshall, National Park Service Staff · First published 2013Open the Tome
Condition of Vegetation Communities in Delaware Water Gap National Recreation AreaStephanie Perles · First published 2013Open the Tome
Condition of Vegetation Communities in Fort Necessity National Battlefield and Friendship Hill National Historic SiteStephanie Perles · First published 2013Open the Tome
Long-Term Forest Health Monitoring Program in the Eastern Mountains and Rivers Network Evaluation of the Statistical Power to Detect Temporal TrendsStephanie Perles · First published 2013Open the Tome
Vegetation Classification and Mapping at Allegheny Portage Railroad National Historic SiteStephanie Perles, Gregory Podniesinski, Ephraim Zimmerman, Elizabeth Eastman, Lesley Sneddon · First published 2013Open the Tome
