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2019 [2]
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Geochemical and mineralogical maps, with interpretation, for soils of the conterminous United States [研究报告]
10.3133/sir20175118U.S. Geological Survey. 2019-01-01
Smith, David B. dsmith@usgs.gov;  Solano, Federico fsolanoc@usgs.gov;  Woodruff, Laurel G. woodruff@usgs.gov;  Cannon, William F. wcannon@usgs.gov;  Ellefsen, Karl J. ellefsen@usgs.gov
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Geochemistry and mineralogy of soils collected in the lower Rio Grande valley, Texas [研究报告]
10.3133/ofr20191010U.S. Geological Survey. 2019-01-01
Whitney, Helen A.;  Solano, Federico;  Hubbard, Bernard E.
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