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john w swade
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Conodont distribution, paleoecology, and preliminary biostratigraphy of the upper Cherokee and Marmaton groups (upper Desmoinesian, middle Pennsylvanian) from two cores in south-central Iowa
John W. Swade · Iowa Geological Survey
71 sayfa · 1985
Conodonts / Geology / Geology, Stratigraphic / Paleontology, Stratigraphic / Stratigraphic Geology