1. Oregon Caves National Monument : a manual for cave guides Publication/Creation: [Seattle] : [U.S. Dept. of the Interior], National Park Service, 1976 Resource Type: Book Edition: Revised 1975. Access & Availability: Loading
2. The Outer Banks of North Carolina Author/Creator: Dolan, Robert Publication/Creation: Washington : U.S. G.P.O., 1985 Resource Type: Book Access & Availability: Loading
3. Ozark National Scenic Riverways, Missouri Author/Creator: United States. National Park Service, cartographer Publication/Creation: [Washington, D.C.] : National Park Service, U.S. Department of the Interior, [2017] Resource Type: Map Edition: Last updated 2017. Access & Availability: Loading