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Geochemical and mineralogical data for soils of the conterminous United States

Online link https://mrdata.usgs.gov/ds-801/
Description Systematic geochemical and mineralogical survey of soil horizons analyzed using a consistent set of methods, sample spacing 1 per 1,600 sq km.
Originators Smith, David B.; Cannon, William F.; Woodruff, Laurel G.; Solano, Federico; Kilburn, James E.; and Fey, David L.
Publication U.S. Geological Survey Data Series 801
Metadata Questions and answers

Related topics

States or counties

Reduced-size image of the distribution of samples
Reduced-size image of the distribution of samples