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.


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ngdbsoil.kml (uncompressed 65 Mbytes)

ngdbsoil.kmz (compressed 2.4 Mbytes)

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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)



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About the database tables and fields

All database fields, by category