Soil survey of the upper Gila Valley area, Arizona.
By: By E.N. Poulson ... and F.O. Youngs.
Contributors: Youngs, F. O. 1895-; United States. Bureau of Chemistry and Soils.; University of Arizona. Agricultural Experiment Station.
Series: U.S. Bureau of Chemistry and Soils. [Soil survey report] -- Series 1933, no. 15.
Publisher: [U.S. Govt. Print. Off.
Published: 1938
Place of publication: Washington
Language: eng
Number of pages: 41
Subjects: Soil surveys -- Arizona -- Graham County.; Soils -- Arizona -- Graham County -- Maps.
Genres: Maps.
Notes: Cover title.

At head of title: United States Department of Agriculture.

In cooperation with the University of Arizona Agricultural Experiment Station.