Soil survey of the El Cajon area, California.
By: By R. Earl Storie and E.J. Carpenter.
Contributors: Carpenter, E. J. 1892-
Series: U.S. Dept. of Agriculture.  Bureau of Chemistry and Soils.  [Soil survey report]  Series 1930 -- no.15.
Publisher: [U.S. Govt. Print. Off.
Published: 1934
Place of publication: Washington
Language: eng
Number of pages: 42
Subjects: Soil surveys -- California -- San Diego County.; Soils -- California -- San Diego County -- Maps.
Genres: Maps.
Notes: In cooperation with the University of California Agricultural Experiment Station.

"Literature cited.": p.42.