Soil data and information

• FAO Problem Soils Database
• ISRIC World Soil Information - data sets
• ISRIC World Soil Information - library
• On-line soil survey information (by David Rossiter)
• Earth's Critical Zone Exploratory Network (CZEN)
• European Soil Bureau
• USA soil information
• Digital soil mapping website
• GlobalSoilMap.net
• Soil maps of the world
• Photolibrary on soil erosion processes
• Soil mineralogy
• Open directory - Soils
• World Soil Surveys Archive and Catalogue
  
• Soil database of Central and Eastern Europe