01040cam a22002531 4500 gs 07000700 DLC 20260227111306.0 800107s1875 paub 000 0 eng gs 07000700 (OCoLC)5849584 DLC PSC DLC premarc QE157 .A16 vol. B Genth, F. A. (Frederick Augustus), 1820-1893. Preliminary report on the mineralogy of Pennsylvania, by F. A. Genth. With an appendix on the hydrocarbon compounds, by Samuel P. Sadtler. Harrisburg, Pub. by the Board of commissioners for the Second Geological survey, 1875. 2 p.l., B v, 206 B p. front. map. 23 cm. Pennsylvania. Geological survey, 2d. [Report of progress B] At head of title: Second geological survey of Pennsylvania, 1874. Mineralogy Pennsylvania. Sadtler, Samuel Philip, 1847-1923. Report of progress (Geological Survey of Pennsylvania), B. 24617 24617