1. Effigy Mounds National Monument, Iowa Author/Creator: United States. National Park Service Publication/Creation: [Washington, D.C.] : U.S. Govt. Print. Office, 1954 Resource Type: Book Edition: Revised. Access & Availability: Loading
2. El Morro National Monument, New Mexico Author/Creator: United States. National Park Service Publication/Creation: [Washington, D.C.] : [U.S. G.P.O.], [1952] Resource Type: Book Access & Availability: Loading
3. Ellis Island development concept plan : draft environmental impact statement Author/Creator: United States. National Park Service Publication/Creation: [Washington, D.C.] : U.S. Dept. of the Interior, National Park Service, [2003] Resource Type: Book Access & Availability: Loading