Links

• Natural Resource Conservation Service (NRCS)
• USDA-NRCS National Soil Survey Center (NSSC)
• Soil Science Society of America (SSSA)
• American Society of Agronomy (ASA)
• Society of American Foresters (SAF)
• Soil and Water Conservation Society (SWCS)
• Crop Science Society of America (CSSA)
• United States Consortium of Soil Science Associations (USCSSA)

Pennsylvania Soils:

• PA USDA NRCS Soil Related Programs
• Web Soil Survey
• Penn State Agronomy Guide
• Non-soils digital GIS data: PASDA
• PA Map Compilation and Digitizing Center
• PA Department of Agriculture
• Penn State Soil Characterization Laboratory
• Penn State Agricultural Analytical Services Laboratory (soil testing)

• Delaware, Maryland, and the District of Columbia
• Ohio
• New York
• West Virginia

• Keys to Soil Taxonomy
• Official Series Descriptions of the U.S.
• Hydric Soils of U.S.
• The Twelve Soil Orders
• NRCS Soil Quality