Four newly named tongues of Eocene Green River Formation, northern Piceance Creek basin, Colorado
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Bulletin↗
Geology topics
Donald Cave Duncan
Publications and source records attributed to Donald Cave Duncan.
Organic-rich shale of the United States and world land areas
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Circular↗
Notes on the geology of uranium
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Trace Elements Investigations↗
Geology and coal deposits in part of the Coos Bay coal field, Oregon
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Bulletin↗
A uranium-bearing rhyolitic tuff deposit near Coaldale, Esmeralda County, Nevada
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Circular↗
Reconnaissance investigations for uranium in black shale deposits of the western states during 1951 and 1952
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Trace Elements Investigations↗
Preliminary Report on a Uranium-Bearing Rhyolitic Tuff Deposit near Coaldale, Esmerelda County, Nevada
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Trace Elements Memorandum↗
Geologic maps of the antimony deposits in Antimony Canyon (Coyote Creek), Garfield County, Utah
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Open-File Report↗