National Geochemical Database: Soil

Geochemistry of soils from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are from the continental US and Alaska.


Show in a web browser window:

Show in Google Earth or other KML viewer:

ngdbsoil.kml (uncompressed 65 Mbytes)

ngdbsoil.kmz (compressed 2.4 Mbytes)

Show in your GIS using OGC web services: (WMS, version 1.3.0) (WFS, version 1.1.0)


Download data for geographic areas you choose

Search data using a form

Get the entire data set: (Shapefile with a URL to the full report online, all attributes as included CSV files 54 MB zip expands to 482 MB)



About the database tables and fields

All database fields, by category

Related topics