||The GEOLOGY of PENNSYLVANIA
A GOVERNMENT SURVEY
HENRY DARWIN ROGERS
New York, D. Van Nostrand, ©1868
|In the tables immediately below, the links in the Reference columns point to the plate numbers and page references in Lequereux's 1879 Description of the Coal Fossils of Pennsylvania.
|Click on image to see scanned image at full resolution; right click to see it at intermediate size.||The links in the figure numbers above point to the descriptions in the Lesquereux 1868 text.|