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By: Oklahoma Geological Survey. - Cross, Howard. - Stevens, George Walter. - Shannon, Charles William,Edition:Publication info: Norman, 1917Volume:Series:Holding Institution: Cornell University LibrarySubjects:BHL Collections:
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By: Shannon, Charles William,Edition:Publication info: Norman, Oklahoma Geological Survey, 1913Volume:Series:Holding Institution: New York Botanical Garden, LuEsther T. Mertz LibrarySubjects:BHL Collections: