Annual Report on the Geological Survey of PennsylvaniaHenry Darwin Rogers · First published 2023Open the Tome
Annual Report on the Geological Survey of Pennsylvania, Volumes 1-4Pennsylvania State Geologist (1836-1, Henry Darwin Rogers · First published 2023Open the Tome
Geology of Pennsylvania : A Government SurveyPennsylvania Bureau of Topographic and, Henry Darwin Rogers, William Barton Rogers · First published 2023Open the Tome
Reports on the Combustible Qualities of the Semi-Anthracites of the Zerbes's Run Coal Fields, in the Shamokin Basin, of PennsylvaniaHenry Darwin Rogers, Augustus Allen Hayes · First published 2018Open the Tome
Description of the Geology of the State of New JerseyHenry Darwin Rogers, New Jersey Geological Survey · First published 1865 · Latest edition 2015Open the Tome
