Official Soil Survey Information:

Official Soil Survey information

• Web Soil Survey: Web Soil Survey - Home (usda.gov)
• Soil Data Access: Soil Data Access - Home (usda.gov)
• Geospatial Data Gateway: Geospatial Data Gateway - Home (usda.gov)

Soil Survey Smartphone Application

• A Smartphone App Provides New Way to Access Soil Survey Information | USDA
• California Soil Resource Lab: Soil Web Apps (ucdavis.edu)

Archived/Historical Soil Survey Information

Archived Soil Surveys (NOT official)

• Soil Surveys by State | NRCS Soils (usda.gov)