Soil survey of the Yuma-Wellton area, Arizona-California
By: by F.O. Youngs ... [et al.] ; Bureau of Chemistry and Soils in cooperation with the University of Arizona Agricultural Experiment Station.
Contributors: Youngs, F. O. 1895-; United States. Bureau of Chemistry and Soils.; University of Arizona. Agricultural Experiment Station.
Publisher: United States Dept. of Agriculture, Bureau of Chemistry and Soils; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1933
Place of publication: Washington, D.C
Language: eng
Number of pages: 37
Subjects: Soils -- Arizona -- Yuma County -- Maps.; Soils -- California -- Imperial County -- Maps.; Soil surveys -- Arizona -- Yuma County.; Soil surveys -- California -- Imperial County.
Genres: Maps.
Other titles: The Yuma-Wellton area, Arizona-California.
Notes: "Series 1929, no. 20."

Cover title.

Bibliography: p. 36-37.