The Mid-Atlantic Region was established as Region 5 in 1955 , it covered the northeast quarter of the United States .
Mid-Atlantic RegionThe Mid-Atlantic Region consisted of 30 parks in five states -- Pennsylvania , Maryland , Delaware , West Virginia , and Virginia .
The Mid-Atlantic RegionThe Mid-Atlantic Region   was established as Region 5 in 1955 , it covered the northeast quarter of the United States .
Mid-Atlantic RegionThe Mid-Atlantic Region consisted of 30 parks in five states -- Pennsylvania , Maryland , Delaware , West Virginia , and Virginia .