Professional Organizations:

• 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 Department of Agriculture
• PA USDA NRCS Soil Related Programs
• Penn State Agronomy Guide
• Penn State Soil Characterization Laboratory
• Penn State Agricultural Analytical Services Laboratory
• Stream Stats
• SoilWeb Apps
• Web Soil Survey
• Pennsylvania Spatial Data Access (PASDA)

Surrounding State Professional Soil Organizations:

• Mid-Atlantic
• Ohio
• New York
• West Virginia
• Virginia

Soil Technical Issues:

• Keys to Soil Taxonomy (2022)
• Official Series Descriptions of the U.S.
• Hydric Soils of U.S.
• The Twelve Soil Orders
• Soil Survey Manual (2017)
• EPA Land Treatment Manual (2006)
• Field Book for Describing and Sampling Soils (2012)
• PA DEP Stormwater Best Management Practices (BMP) Manual (2006)

• Eastern Mountain and Piedmont Regional Supplement Manual (2012)
• Northcentral and Northeast Supplement Manual (2012)
• Field Indicators of Hydric Soils in the United States (2018)
• Hydric Soil Indicators Mobile App
• Regional Supplements to ACOE Delineation Manual