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Soil Survey
Time for a Universal Soil Classification System (PPT; 7.04 MB) (Jon Hempel for Micheal Golden)
Proposal for New Working Group in IUSS (PDF; 30 KB)
Working Group History and Summary of Activities (July 2011) (DOC; 2.36 MB)
Gridded Soils Data (PPT; 4.9 MB)
Resolution of the Conference “From the Dokuchaev School to Numerical Soil Classifications” (PDF; 22 KB)
The Classification of Acid Sulfate Soil Materials: Further Modifications (PDF; 252 KB)
International ASA/CSSA/SSSA Annual Meeting (October 2011)
Universal Soil Classification (PPT; 996 KB)
Taxonomic relationships between WRB Solonetz and Solonchak soils with classification units of Soil Taxonomy (PDF; 3.56 MB)
World Reference Base for Soil Resources (2006) (PDF; 1.56 MB)
Development and Significance of the Great Soil Groups of the United States (1936) (PDF; 4.5 MB)
Field Book for Describing and Sampling Soils (Draft; 2011) (PDF; 5.77 MB)
