Laboratory study of uranium-bearing carbonaceous shale and impure coal from Goose Creek district, Cassia County, Idaho
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Trace Elements Investigations↗
Geology topics
Ralph J. Gray
Publications and source records attributed to Ralph J. Gray.
Laboratory study of high-grade uranium-bearing lignite from Harding County, South Dakota
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Trace Elements Investigations↗
Laboratory study of a core from uranium-bearing coal in the Red Desert, Sweetwater County, Wyoming
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Trace Elements Investigations↗
Laboratory study of uranium-bearing lignite from western North Dakota and South Dakota
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Trace Elements Investigations↗
Microscopic studies of uraniferous coal deposits--a progress report
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Trace Elements Investigations↗