United States. Soil Conservation Service. (1944). Nichols terrace, improved channel-type terrace for the Southeast [soil conservation]. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service. Nichols Terrace, Improved Channel-type Terrace for the Southeast [soil Conservation]. [Washington]: [s.n.], 1944.
MLA (9th ed.) CitationUnited States. Soil Conservation Service. Nichols Terrace, Improved Channel-type Terrace for the Southeast [soil Conservation]. [s.n.], 1944.
Warning: These citations may not always be 100% accurate.