Final report ordered by Legislature, 1891.
Subtitle: A summary description of the geology of Pennsylvania ... [and A general index]
Contributors: Pennsylvania.  Geological Survey, 2nd, 1874-1890.
Published: 1892
Place of publication: Harrisburg
Language: eng
Subjects: Bituminous coal; Geology -- Pennsylvania
Notes: Vol. 1-3 paged continuously.
Table of contents: value: Vol. 1. Laurentian, Huronian, Cambrian and Lower Silurian formations, by J.P. Lesley.-  Vol. 2. Upper Silurian and Devonian formations, by J.P. Lesley.-  Vol. 3 pt. 1. Carboniferous formations, by J.P. Lesley [and] others.-  Vol. [4] A general index of the Final summary report, with an appendix containing a list of and brief guide to the publications of the Survey.  Comp. by William A. Ingham.