Oakes, H., Somerville, E. Erosion and related land use conditions on the Elm Creek watershed, Texas. Washington: United States Government Printing Office, 1939 20 p.: ill., 2 p. ill., 1 k.
Oakes, H., Somerville, E. Erosion and related land use conditions on the Elm Creek watershed, Texas. Washington: United States Government Printing Office, 1939 20 p.: ill., 2 p. ill., 1 k.
Oakes, H., Somerville, E. (1939) Erosion and related land use conditions on the Elm Creek watershed, Texas, Washington: United States Government Printing Office 20 p.: ill., 2 p. ill., 1 k.
Oakes, H., & Somerville, E. (1939). Erosion and related land use conditions on the Elm Creek watershed, Texas. Washington: United States Government Printing Office, 20 p.: ill., 2 p. ill., 1 k.
Oakes H, Somerville E. Erosion and related land use conditions on the Elm Creek watershed, Texas. Washington: United States Government Printing Office; 1939. p. 20 p.: ill., 2 p. ill., 1 k.
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