United States Department of Agriculture
Natural Resources Conservation Service
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NSSC Soil Survey Soil Characterization Database
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Query by Taxonomic Classification Information


Selecting taxonomic criteria from the choice lists filters your search to include only those pedons that meet the specified criteria. Not all taxonomic criteria are populated for all pedons.

Additional information regarding taxonomic classification of soils is available in Soil Taxonomy, A Basic System of Soil Classification for Making and Interpreting Soil Surveys and Keys to Soil Taxonomy.

The advanced query entry choices are accumulative. All selections entered on this page are processed as one query. The "Clear All Search Criteria" button, which is located at the top of the page, clears all choices. Make your selections carefully. Poor selections may return no results or excessive results. If you have difficulty, we suggest you query by country, state, and county. This method offers an array of data from the selected area of interest. This website is optimized for Windows® Internet Explorer.



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