Soil Data Portal - geochemistry and mineralogy

By Geology, Geophysics, and Geochemistry Science Center May 2014 (approx.)

example soil geochemistry data

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Detailed Description

Screenshot of Geochemical and Mineralogical Maps for Soils of the Conterminous U.S. data portal, https://mrdata.usgs.gov/soilgeochemistry/.

Sources/Usage

Public Domain.

Geochemical and Mineralogical Maps for Soils of the Conterminous U.S.