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Apparatus of the Pennsylvanian conodont genus Neognathodus

Published: Toronto : Royal Ontario Museum, 1977
Format: Print
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Bandringa rayi: a new Ctenacanthoid shark from the Pennsylvania Essex fauna of Illinois

Published: [Chicago, Field Museum of Natural History] 1969
Format: Print
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The brachiopod Antiquatonia coloradoensis (Girty) from the upper Morrowan and Atokan (lower Middle Pennsylvanian) of the United States

Published: Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1998 [i.e. 1997]
Format: Print
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Bromine geochemistry of chloride rocks of the middle Pennsylvanian Paradox Formation of the Hermosa Group, Paradox Basin, Utah and Colorado

Published: Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1996
Format: Print
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Burial and thermal history of the Paradox Basin, Utah and Colorado, and petroleum potential of the middle Pennsylvanian Paradox Formation

Published: Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1996
Format: Print
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Coal and coal-bearing rocks of eastern Kentucky : annual Geological Society of America Coal Division field trip, November 5-8, 1981

Published: Lexington : Kentucky Geological Survey, University of Kentucky, 1981
Format: Print
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Copper and uranium in Pennsylvanian and Permian sedimentary rocks, northern Sangre de Cristo Range, Colorado

Published: Washington : U.S. G.P.O. Denver, CO : For sale by U.S. Geological Survey, Information Services, 1995
Format: Print
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Correlation of the West Canyon, Lake Point, and Bannock Peak limestones (Upper Mississippian to Middle Pennsylvanian), basal formations of the Oquirrh Group, northern Utah and southeastern Idaho

Published: Washington, D.C. : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Map Distribution, 1994
Format: Print
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A crinoid from the Pennsylvanian Essex fauna of Illinois

Published: [Chicago, Field Museum of Natural History] 1969
Format: Print
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Depositional environments of Pennsylvanian rocks in western Kentucky

Published: Lexington : Kentucky Geological Survey, 1979
Format: Print
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Desmoinesian Brachiopoda and Mollusca from southwest Missouri

Published: [Columbia] University of Missouri Press [1961]
Format: Print
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A diapsid reptile from the Pennsylvanian of Kansas

Published: Lawrence : University of Kansas, 1981
Format: Print
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