Preliminary report on the mineralogy of Pennsylvania,
Genth, F. A. 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] . - Report of progress (Geological Survey of Pennsylvania), B. .
At head of title: Second geological survey of Pennsylvania, 1874.
gs 07000700
Mineralogy--Pennsylvania.
QE157 / .A16 vol. B
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] . - Report of progress (Geological Survey of Pennsylvania), B. .
At head of title: Second geological survey of Pennsylvania, 1874.
gs 07000700
Mineralogy--Pennsylvania.
QE157 / .A16 vol. B