United States. Bureau of Public Roads. (1926). General instructions to chiefs of party for location surveys on national forest roads and national park roads. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Public Roads. General Instructions to Chiefs of Party for Location Surveys on National Forest Roads and National Park Roads. Washington: U.S. GPO, 1926.
MLA (9th ed.) CitationUnited States. Bureau of Public Roads. General Instructions to Chiefs of Party for Location Surveys on National Forest Roads and National Park Roads. U.S. GPO, 1926.
Warning: These citations may not always be 100% accurate.