"एपलाशियन पर्वतमाला": अवतरणों में अंतर

* [https://web.archive.org/web/20090919035754/http://www.cas.vanderbilt.edu/bioimages/ecoregions/50403frame.htm Appalachian/Blue Ridge Forests images at bioimages.vanderbilt.edu] ([https://web.archive.org/web/20100618062548/http://www.cas.vanderbilt.edu/bioimages/ecoregions/50403.htm slow modem version])

* [https://web.archive.org/web/20090919044008/http://www.cas.vanderbilt.edu/bioimages/ecoregions/50402frame.htm Appalachian Mixed Mesophytic Forests images at bioimages.vanderbilt.edu] ([https://web.archive.org/web/20100527223855/http://www.cas.vanderbilt.edu/bioimages/ecoregions/50402.htm slow modem version])

* [https://web.archive.org/web/20080520102640/http://geoweb.tamu.edu/atsg/ Appalachian Tectonics Study Group]

* [https://web.archive.org/web/20110917192434/http://asecular.com/forests/ Forests of the Central Appalachians Project] Detailed inventories of forest species at dozens of sites.