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FWS National Wilderness Boundaries

Published by U.S. Fish and Wildlife Service | Department of the Interior | Metadata Last Checked: January 07, 2026 | Last Modified: 2025-04-07T00:00:00Z
This data layer depicts the Wilderness and Proposed Wilderness that have been placed upon the lands and waters administered by the U.S. Fish and Wildlife Service (USFWS) in North America, U.S. Trust Territories and Possessions. These special areas, such as wilderness, are primarily designated by the U.S. Congress. The primary source for this information is the USFWS Wilderness program and the NWRS Realty program.

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