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Preliminary Report on the Mineralogy of Pennsylvania, by F. A. Genth. with an Appendix on the Hydrocarbon Compounds, by Samuel P. Sadtler.Frederick Augustus Genth, Friedrich August Ludwig Karl Wil [GenthHäftad449 kr
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Reports of the North Carolina Geological and Economic Survey; Volume 1North Carolina Geological Survey (188, North Carolina Geological and EconomiInbunden579 kr