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Datasets / Soils

Soils

SSURGO and gSSURGO

Soil Survey Geographic Database. Detailed county-level soil surveys for the United States.

The most detailed soil information for the United States, with map units, components and horizon properties such as hydrologic soil group, saturated hydraulic conductivity and available water capacity.

Source
U.S. Department of Agriculture
Resolution
1:12,000 to 1:63,360 (vector), 10 m (gridded)
Data type
Polygons and raster
Time span
Updated annually
Temporal
Annual refresh
Access type
API (external) · Soil Data Access web service, no key
Formats
File geodatabase, Shapefile, text tables
Coverage
United States and territories (-180, 13, -64, 72)
Licence
Public domain (U.S. Government work)
Provider page
www.nrcs.usda.gov/resources/data-and-reports/soil-survey-ge…

Access

linkWeb Soil Survey (draw an area of interest)

https://websoilsurvey.nrcs.usda.gov/

linkSoil Data Access (SQL web service)

https://sdmdataaccess.nrcs.usda.gov/

curl "https://hydrological.org/api/v1/datasets/ssurgo/links?bbox=-123,41.5,-121,43.5" \
  -H "Accept: application/json"

Also available as JSON: links · manifest · dataset record