Celebrating America's national wilderness preservation system
National wilderness preservation system
GreenInfo Network (Firm), cartographer.
United States. Interagency Wilderness Steering Committee, compiler.
Geological Survey (U.S.), issuing body.
United States. Forest Service, issuing body.
United States. National Park Service, issuing body.
U.S. Fish and Wildlife Service, issuing body.
United States. Bureau of Land Management, issuing body.
Ecosystem Mission Area (Geological Survey), sponsoring body.
compiled by the Interagency Wilderness Steering Committee, 50th Anniversary National Wilderness Planning Team, Arthur Carhart National Wilderness Training Center, and the Aldo Leopold Wilderness Research Institute, with data from the U.S. Geological Survey's National Gap Analysis Program and Wilderness.net; and support from the USGS Ecosystem Mission Area ; cartography by GreenInfo Network ; graphic design by Ison Design and GreenInfo Network.