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Erosion and related land use conditions on the Elm creek watershed, Texas /

By United States..
Washington : [U.S. Govt. print. off.], 1939 .
20 p., 5 plates on 3 leaves : , Issued by U. S. Dept. of agriculture. Soil conservation service. | In pamphlet box with 36 additional folded maps. 23 cm..

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Erosion and related land use conditions on the lake Crook watershed, Lamar County, Texas.

By Oakes, Harvey,.
Washington [U.S. Govt. Print. Off., 1940 .
23 p. , Issued by U. S. Dept. of Agriculture, Soil Conservation Service. 27 cm..

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