Soil survey of Yuma-Wellton area
Subtitle: parts of Yuma County, Arizona, and Imperial County, California.
Contributors: United States. Soil Conservation Service.; University of Arizona. Agricultural Experiment Station.; California Agricultural Experiment Station.
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1980
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 104
Subjects: Soils -- Arizona -- Yuma County -- Maps.; Soils -- California -- Imperial County -- Maps.
Genres: Maps.
Notes: Cover title.

"In cooperation with the Arizona Agricultural Experiment Station, and the California Agricultural Experiment Station."

"Issued December 1980"--P. iii.

Bibliography: p. 55.