Soil survey, Okmulgee County, Oklahoma - Sparwasser, W. A.; Bogard, Vinson A.; Henson, Odos G.; United States. Soil Conservation Service; Oklahoma Agricultural Experiment Station (Washington] U.S. Dept. of Agriculture, Soil Conservation Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1968)
Cover title.
Prepared in cooperation with Oklahoma Agricultural Experiment Station.
Bibliographical footnotes.
Keywords: Soils -- Oklahoma -- Okmulgee County -- Maps; Soil surveys -- Oklahoma -- Okmulgee County; Soil-surveys -- Oklahoma -- Okmulgee Co