Historic Rivers Chapter Ecology

	EPA Wetland Definitions	Very good information on Wetlands and a good place to start exploring the EPA site. (Web link)
	Virginia Watersheds	A great map of Virginia Watersheds from DGIF.(PDF)
	Tidal Freshwater Marshes	A fact sheet about Tilal Freshwater Marches in Virginia DCR, part of the Natural Community series (see link below) (PDF)
	Natural Heritage Web pages	Virginia DCR Natural Communities of Virginia. Great references on the Classification of Ecological Community in Virginia. (Web link)