Web Soil Survey National Cooperative Soil Survey
SoilWeb: Online Soil Survey Browser UC Davis Soil Resource Laboratory
1:24,000 soil survey data in many parts of California, Arizona, and Nevada.
• Select from a variety of interfaces including Google Maps interface
Soil Survey, eastern Fresno area, California. 1971
In the library: 1st floor, Government Information US A 57.38:F 89
List of soil surveys by state USDA NRCS