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:
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)
Wetlands: