Catalog of Wyoming cores housed at the USGS Core Repository, Denver, Colorado
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Open-File Report↗
Geology topics
D.L. Richards
Publications and source records attributed to D.L. Richards.
Catalog of Arizona and New Mexico cores housed at the USGS Core Research Center, Denver, Colorado
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Open-File Report↗
Catalog of thin sections available at the USGS Core Research Center, Denver, Colorado
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Open-File Report↗
Catalog of Utah cores housed at the USGS Core Repository, Denver, Colorado
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Open-File Report↗
Catalog of Kansas and Oklahoma cores housed at the USGS Core Repository, Denver, Colorado
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Open-File Report↗
Catalog of Colorado and Nebraska cores housed at the USGS Core Repository, Denver, Colorado
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Open-File Report↗
Catalog of Montana cores housed at the USGS Core Repository, Denver, Colorado
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Open-File Report↗
Catalog of Idaho and Nevada cores housed at the USGS Core Repository, Denver, Colorado
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Open-File Report↗
Catalog of North Dakota cores housed at the USGS Core Repository, Denver, Colorado
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Open-File Report↗
Catalog of South Dakota cores housed at the USGS Core Repository, Denver, Colorado
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Open-File Report↗