Example image of eyePlorer eyePlorer map for 'Lassen National Forest': California Peter Lassen Red Bluff, California Butte County, California Lassen County, California Plumas County, California Shasta County, California Tehama County, California Susanville, California Chester, California Fall River Mills, California National Park Ranger Lassen Peak Volcano Lassen Volcanic National Park Old-growth forest Coast Douglas-fir Abies concolor Abies magnifica Jeffrey Pine Lodgepole Pine Ponderosa Pine Caribou Wilderness Ishi Wilderness Oroville, California Ishi Alfred L. Kroeber Yana people Tuberculosis United States Board on Geographic Names Mount Tehama Aldo Leopold Bob Marshall National Park Service Franklin D. Roosevelt Harold Ickes United States Department of the Interior United States Department of Agriculture Wilderness Act Thousand Lakes Wilderness Pacific Crest Trail Southern Pacific Transportation Company Aspen Calocedrus List of highways numbered 36 List of highways numbered 89 Emigration Nobles Emigrant Trail William Nobles Lake Almanor