Publication Information: Key Details: Catalog RI156 Publication Year 1951 Author Ernest P. DuBois Publication Type Report of Investigations Additional Details: Publication Link Report 2 MB pdf Plate 1 (4 MB pdf) Plate 2 (4 MB pdf) Plate 3 (4 MB pdf) Plate 4 (4 MB pdf) Plate 5 (2 MB pdf)Geology and coal resources of a part of the Pennsylvanian sy… Publication Price Out of print