Geochemical and mineralogical data for soils of the conterminous United States

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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., Fey, David L.
Publication U.S. Geological Survey Data Series 801

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