A summary description of the geology of Pennsylvania / J. P. Lesley... [et al.]
Contributors: Board of Commissioners for the Geological Survey of Pennsylvania
Publisher: Geological survey of Pennsylvania
Published: 1892
Place of publication: Harrisburg
Language: eng
Subjects: Geology -- Pennsylvania; Mines and mineral resources -- Pennsylvania; Coal mines and mining -- Pennsylvania
Notes: Final report ordered by legislature, 1891
Table of contents: value: v. 1 Laurentian, Huronian, Cambrian and Lower Silurian formations; value: v. 2 Upper Silurian and Devonian formations; value: v. 3, Pt. 1 Carboniferous formation; value: v.3, Pt. 2 Bituminous coal fields and New Red of Bucks and Montgomery counties