BLM State Wilderness Study Documents
In 1976, Congress passed the Federal Land Policy and Management Act, directing the BLM to identify and review all the public lands under its administration which possess the wilderness characteristics described in the Wilderness Act. The BLM conducted three phases of wilderness review: inventory, study, and reporting. The documents on this page are the results of that process. The inventory documents describe the characteristics of the lands reviewed, and indicate which lands became Wilderness Study Areas. The reporting documents summarize the study of the multiple resource values of each WSA, and include the “suitable” or “non-suitable” recommendation the BLM based on the values identified during the study, reported to Congress. These documents represent the information known at the time of their publication and may not reflect current conditions, which may have changed since publication.
- ARIZONA
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Arizona Wilderness Inventory (1980)
- CALIFORNIA
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California Wilderness Inventory (1978, 1979)
- California Desert Conservation Area: Draft Wilderness Inventory Phase
- California Desert Conservation Area Wilderness Inventory: Final Descriptive Narratives
- Public lands outside of the California Desert Conservation Area: Draft Initial Inventory
- Public lands outside of the California Desert Conservation Area: Final Wilderness Inventory
- Final Wilderness Inventory - Maps
California Wilderness Study Report (1990, 1991)
- COLORADO
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Colorado Wilderness Inventory (1979, 1980)
- Initial Wilderness Inventory: Final
- Intensive Wilderness Inventory: Proposed Wilderness Study Area
- Intensive Wilderness Inventory: Final Wilderness Study Areas
Colorado Wilderness Study Report (1991)
- IDAHO
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Idaho Wilderness Inventory (1980)
Idaho Wilderness Study Report (1991)
- MICHIGAN
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Michigan Wilderness Inventory (1981)
- MONTANA
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Montana Wilderness Inventory (1979, 1980)
- Initial Wilderness Inventory: Final Decision
- Intensive Wilderness Inventory Proposed Decision: Miles City and Lewistown
- Intensive Wilderness Inventory Final Decision: Miles City and Lewistown
- Intensive Inventory Proposed Decision: Overthrust Belt Lands
- Wilderness Inventory Final Decision: Overthrust Belt Lands
Montana Wilderness Study Report (1991)
- NEVADA
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Nevada Wilderness Inventory (1980)
Nevada Wilderness Study Report (1991)
- Volume 1: Wilderness Study Overview
- Volume 2: Elko District
- Volume 3: Winnemucca District
- Volume 4: Carson City and Ely Districts
- Volume 5: Las Vegas District
- Volume 6: Battle Mountain District
- Volume 7: Nevada Lands Managed by Susanville CA District
- Volume 8: Appendix - Instant Study Area Reports
- Volume 9: Record of Decision
Nevada Wilderness Study Area Notebooks (2000)
- NEW MEXICO
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New Mexico Wilderness Inventory (1979, 1980)
Intensive Inventory Reports and Wilderness Study Area Proposals
New Mexico Wilderness Study Report (1991)
- OREGON/WASHINGTON
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Oregon Wilderness Inventory (1979)
Oregon/Washington Wilderness Inventory (1980)
- Final Intensive Inventory Decisions
- Final Decisions on 30 Selected Units in Southeast Oregon and Proposed Decisions on Other Intensively Inventoried Units in Oregon and Washington
Oregon Wilderness Study Report (1991)
- UTAH
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Utah Intensive Wilderness Inventory (1980)
Utah Statewide Wilderness Study Report (1991)
- WISCONSIN
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Wisconsin Wilderness Inventory (1981)
- WYOMING
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Wyoming Wilderness Inventory (1981)
Wyoming Wilderness Study Report (1984, 1991)
- Wilderness Study Report: Rock Springs District
- Volume 1: Statewide Overview
- Volume 2: Wilderness Study Area Specific Recommendations
- COMBINED STATE REPORTS
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- Proposed Decisions, Intensive Wilderness Inventory: Nevada-California Interstate Units (April 1980)
- Stateline Intensive Wilderness Inventory Proposed Decision: Oregon, Idaho, Nevada, Utah (April 1981)
- Stateline Intensive Wilderness Inventory Final Decisions: Oregon, Idaho, Nevada, Utah (November 1981)
- Stateline Intensive Wilderness Inventory Final Decision: Oregon, Idaho, Nevada, Utah (December 1981)