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Connecting federal employees, scientists, educators, and the public with their wilderness heritage
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Wilderness Statistics Reports

Select a state to display acreage by agency for that state.
Wilderness Acreage By Agency
Agency Acres
*Since percentages are rounded to the nearest integer value, they may not add up to exactly 100% (i.e. 99%).
Bureau of Land Management 8,736,087
Fish and Wildlife Service 20,702,488
Forest Service 36,385,240
National Park Service 43,932,843

Total 109,756,658

Figure above shows comparison of each agency's total wilderness acres and the total number of acres of wilderness in United States (total at bottom). To view a comparison of agency acreage by state, select a state. Read our data disclaimer. Data last updated on 12/26/14 (89,935 acres were added to the Bob Marshall, Scapegoat, Alpine Lakes, and Wheeler Peak Wildernesses; 155,685 acres were designated in four different wilderness areas in Colorado, Nevada, and New Mexico--Columbine-Hondo, Hermosa Creek, Wovoka, and Pine Forest Range).

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