Book digitized by Google from the library of University of California and uploaded to the Internet Archive by user tpb. At head of title: Second geological survey of Pennsylvania: 1874 Appendix: Extracts from H.D. Rogersʹ Memoir on the coal formation of Pennsylvania ... of the final report of the geology of Pensylvania
What to read after Report of Progress in the Clearfield And Jefferson District of the Bituminous Coalfields of Western Pennsylvania?
You can find similar books in the "Read Also" co
lumn, or choose other free books by Franklin Platt to read online
MoreLess
User Reviews: