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Arsenic in rocks and stream sediments of the central Appalachian Basin, Kentucky
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Environmental controls on water quality
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Environmental issues associated with fossil fuel resources
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Geochemical data from New Albany Shale, Kentucky
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Geochemical variability of soils and biogeochemical variability of plants in the Piceance Basin, Colorado
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Geochemistry of two interbeds in the Pennsylvanian Paradox Formation, Utah and Colorado
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Results of chemical analyses of soil, shale, and soil
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Salinization of the upper Colorado River--fingerprinting geologic salt sources
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USGS studies of energy resources in Sub-Saharan Africa
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