Title: The Permian or Upper Carboniferous flora of West Virginia and S.W. Pennsylvania /
Authors: Fontaine, William Morris, 1835-1913.; White, I. C. 1848-1927
Publisher: Published by the Board of Commissioners for the Second Geological Survey,
Year: 1880
Subjects: Plants, Fossil; Paleobotany Pennsylvania.; Paleobotany; Paleobotany West Virginia.