Soil survey of Tucson-Avra Valley Area, Arizona
By: [by Frederick W. Gelderman]
Contributors: United States. Soil Conservation Service.; University of Arizona. Agricultural Experiment Station.
Publisher: U.S. Dept. of Agriculture Soil Conservation Service
Published: 1972
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 70
Subjects: Soils -- Arizona -- Pima County -- Maps.; Soil surveys -- Arizona -- Pima County.
Genres: Maps.
Notes: "In cooperation with University of Arizona Agricultural Experiment Station."

Includes index to maps.

Bibliography: p. 69.