Hydrologic, water-quality, fire, forest-cover, and other data, the Great Dismal Swamp, Virginia and North Carolina
The Great Dismal Swamp (the swamp) is a forested peatland in southeastern Virginia and northeastern North Carolina.  Since early colonial times, timber harvesting and drainage through a network of ditches constructed to facilitate the harvesting have altered these ecosystems.  The U.S. Fish and Wildlife Service has …