Title: Soil survey: Pittsburg County, Oklahoma
Authors: Shingleton, Lyle C.; United States.; Oklahoma Agricultural Experiment Station.
Publisher: U.S. Soil Conservation Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Year: 1971
Subjects: Soils Oklahoma Pittsburg County Maps.; Soil surveys Oklahoma Pittsburg County.; Soil surveys; Soils; Oklahoma Pittsburg County