United States. Soil Conservation Service. (1942). Hydrologic data, Blacklands experimental watershed Waco. Tex., 1937-39. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service. Hydrologic Data, Blacklands Experimental Watershed Waco. Tex., 1937-39. [Washington]: [s.n.], 1942.
MLA (9th ed.) CitationUnited States. Soil Conservation Service. Hydrologic Data, Blacklands Experimental Watershed Waco. Tex., 1937-39. [s.n.], 1942.
Warning: These citations may not always be 100% accurate.