United States. National Park Service. (2002). Carved history. U.S. Dept. of the Interior, National Park Service.
Chicago Style (17th ed.) CitationUnited States. National Park Service. Carved History. [Washington, D.C.]: U.S. Dept. of the Interior, National Park Service, 2002.
MLA (8th ed.) CitationUnited States. National Park Service. Carved History. U.S. Dept. of the Interior, National Park Service, 2002.
Warning: These citations may not always be 100% accurate.