Final report ordered by Legislature, 1891.
Subtitle: A general index of the Final summary report of the geology of Pennsylvania.
By: J. P. Lesley, state geologist. With an appendix containing a list of and brief guide to the publications of the survey. Comp. by William A. Ingham.
Contributors: Ingham, William A. 1827-1913.
Publisher: Pub. by the Board of Commissioners for the Second Geological Survey
Published: 1895
Place of publication: Harrisburg
Language: eng
Number of pages: 98
Subjects: Geology -- Pennsylvania; Coal -- Pennsylvania