Technical Resources

Soil Survey Guides, Books, References, Procedures



Similar/Dissimilar Guide for Mapunit Components

MLRA Region 10: Similar/Dissimilar Guide for Mapunit Components. Contact Michael Whited for additional information.

This document requires Microsoft Word.

Region 10 Similar/Dissimilar Guide (DOC; 55 KB)

Additional MLRA Region 10 References

Substrata Material Classification Decision Tree (JPG; 135 KB)

These documents require Microsoft Word.

MLRA Region 10: Quality Assurance Review Report (Form 233) (DOC: 51 KB)
MLRA Region 10: NASIS Database, Manuscript Technical Review, and English Edit Checklist (DOC; 36 KB)

National Links

Official Soil Series Descriptions (OSDs)

Contact Michael Whited for additional assistance.

These documents require Adobe Acrobat.

Development and Revision (PDF; 18 KB)
Procedure to Obtain OSDs (PDF; 17 KB)
Guideline for Completing and Updating OSDs (PDF; 260 KB)

National Soil Survey Handbook guidelines include the following:

Official Soil Series Descriptions and their supporting Classification Data Base: