Soil Classification

Soil Taxonomy - principal reference to soil classification.

Keys to Soil Taxonomy - taxonomic keys for field classification.

Official Soil Series Descriptions (OSD) - standard descriptions and characteristics of soil series.

Soil Series Classification Database (SC) - soil classification and series names.

SC/OSD Maintenance Tool - add/edit/delete soil series classification and Official Series Description (eAuth and NASIS OSD group membership required)

• SC/OSD Maintenance Tool User Guide (PDF; 1.4 MB)

Soil Classification Report Tool - several reports of soil classifications by Major Land Resource Area regional office

Distribution Maps of Dominant Soil Orders - images and maps.

The Twelve Orders of Soil Taxonomy - poster.

International Taxonomy Committees

Soil Taxonomy Forum

The Guy Smith Interviews: Rationale for Concepts in Soil Taxonomy

Last Modified: 06/13/2011