Devils Tower Devils Tower National Monument, Wyoming
produced by the Division of Publications, National Park Service.
- Washington, D.C. U.S. Dept. of the Interior Supt. of Docs., U.S. G.P.O. 1981.
- 79 p. col. ill., map 21 cm.
- Handbook 111 .
- Handbook (United States. National Park Service. Division of Publications) 111. .