Soil survey of the Clear Lake area, California.

In cooperation with the University of California Agricultural Experiment Station.

Soil survey of the Visalia area, California /

R. Earl Stories, in charge, and Bruce C. Owen, University of California, and E.J. Carpenter, M.H. Layton and W.J. Leighty, Soil Survey Division, Bureau of Chemistry and Soils, United States Department of Agriculture.

Soil survey of King City area, California /

Mode of access: Internet.

Soil survey of the Yuma-Wellton area, Arizona-California /

Cover title.

Soil survey.

Vols. after Series 1963, no. 1 lack series year and numbering.