1. Land protection plan, Fredericksburg and Spotsylvania National Military Park, Virginia Author/Creator: United States. National Park Service Publication/Creation: [Washington, D.C.?] : U.S. Dept. of the Interior, National Park Service, 1986 Resource Type: Book Access & Availability: Loading
2. Lava Beds National Monument, California Publication/Creation: [Washington, D.C.?] : National Park Service, U.S. Dept. of the Interior, 1949 Resource Type: Book Access & Availability: Loading
3. Laws relating to the National Park Service, the national parks and monuments Author/Creator: United States Publication/Creation: Washington, D.C. : U S. G. P. O., 1933 Resource Type: Book Access & Availability: Loading
4. A lecture on our national capital by Frederick Douglas : Study and discussion aids for the secondary student Author/Creator: Anacostia Neighborhood Museum Publication/Creation: Washington : Smithsonian Institution Press, [1978?] Resource Type: Book Access & Availability: Loading
5. Lehman Caves National Monument, Nevada Publication/Creation: [Washington, D.C.] : [Government Printing Office], [1955] Resource Type: Book Edition: Revised 1954. Access & Availability: Loading
6. Limnology of Blue Mesa, Morrow Point, and Crystal Reservoirs, Curecanti National Recreation area, during 1999, and a 25-year retrospective of nutrient conditions in Blue Mesa Reservoir, Colorado Author/Creator: Bauch, Nancy J. Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
7. Lincoln Home National Historic Site : preliminary alternatives description Publication/Creation: [Washington, D.C.?] : The Service, [2006] Resource Type: Book Access & Availability: Loading
8. Lindenwald, Martin Van Buren National Historic Site, Kinderhook, New York : historic structure report, architectural data section Author/Creator: Howell, William W. Publication/Creation: [Washington, D.C.?] : U.S. Dept. of Interior, National Park Service, 1985 Resource Type: Book Access & Availability: Loading
9. Little Rock, Central High School, National Historic Site, Little Rock, Arkansas Publication/Creation: Denver, CO : The Service, [2000] Resource Type: Book Access & Availability: Loading
10. Lockwood House cultural landscape report : Harpers Ferry National Historical Park, Harpers Ferry, West Virginia Publication/Creation: [Harpers Ferry, WV] : U.S. Dept. of the Interior, National Park Service, [2006] Resource Type: Book Access & Availability: Loading