Geological Map Of The State Of Pennsylvania.

Geological Map Of The State Of Pennsylvania, Constructed From Original Surveys Made between the Years 1836 and 1857, Under The Superintendence Of Henry D. Rogers, State Geologist. To Accompany the Final Report on the Geological Survey of the State 1858. Entered ... 1858 by Henry D. Rogers ... Pennsylvania. Engraved by W. & A.K. Johnston Edinburgh.

Rogers, Henry Darwin

1858

1858

Edinburgh: W. & A.K. Johnston

1:316 800

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