NHP Philadelphia John Heinz NWR Philadelphia Naval Base / Blue Marsh Lake Bethlehem Reading New Cumberland General Depot / Uniontown Friendship Hill NHS WEST VIRGINIA Delaware Water Gap NRA Somerset Fort / Lancaster NEW JERSEY Willow Grove Naval Air Station / /
NaturalFeature
Engineers lakes / /
Organization
Necessity National Battlefield Youghiogheny River Lake Bloomsburg Sunbury Lewistown Altoona Loyalhanna Lake McKeesport Waynesburg Wilkes-Barre Du Bois Pittsburgh Bethel Park Honesdale Scranton Crooked Creek Lake Aliquippa Prompton Lake Carbondale Sharon Butler U.S. Department / National Park Service / Department of Defense / Army Corps of Engineers / NHS / Wilderness Forest Service / Fish and Wildlife Service / U.S. Department of the Interior / /