Skip to main content

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.

View

Show in a web browser window:

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/ngdbsoil (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/wfs/ngdbsoil (WFS, version 1.1.0)

Download

Download data for geographic areas you choose

Search data using a form

Get the entire data set:

ngdbsoil-csv.zip (Shapefile with a URL to the full report online, all attributes as included CSV files 54 MB zip expands to 482 MB)

Documentation

Metadata:

Outline - Questions & Answers - Plain text - XML

About the database tables and fields

All database fields, by category

Related topics