Lassen Volcanic Wilderness / Pacific Crest / Lassen Volcanic National Park / /
Country
United States / / /
Facility
California National Historic Trail / Trail System / Pacific Crest Trail / Nobles Emigrant Trail / /
IndustryTerm
ecological systems / wilderness ecological systems / adequate commercial services / social media / long-term management / /
NaturalFeature
Sierra Nevada / /
Organization
National Park Service U.S. Department / Congress / National Park Service / Lassen Volcanic National Park Service U.S. Department of the Interior Lassen Volcanic National Park Wilderness and Backcountry Stewardship Plan Dear Friends / U.S. Department of the Interior / /