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BLM CA NLCS Wilderness Area Polygons

Published by Bureau of Land Management | Department of the Interior | Catalog Last Checked: May 05, 2026 at 07:26 PM | Dataset Last Updated: December 21, 2023 at 12:34 AM
Polygon features depicting the NLCS Wilderness Areas. A Wilderness is a special place where the earth and its community of life are essentially undisturbed; they retain a primeval character, without permanent improvements and generally appear to have been affected primarily by the forces of nature. In 1964, Congress established the National Wilderness Preservation System and designated the first Wilderness Areas in passing the Wilderness Act. The uniquely American idea of wilderness has become an increasingly significant tool to ensure long-term protection of natural landscapes. Wilderness protects the habitat of numerous wildlife species and serves as a biodiversity bank for many species of plants and animals. Wilderness is also a source of clean water.

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