A Summary Description of the Geology of Pennsylvania: Laurentian, Huronian, Cambrian and Lower Silurian formations
| Author | : J. Peter Lesley |
| Publisher | : |
| Total Pages | : 752 |
| Release | : 1892 |
| Genre | : Coal mines and mining |
| ISBN | : |
A Summary Description Of The Geology Of Pennsylvania Laurentian Huronian Cambrian And Lower Silurian Formations
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Geological Survey of Pennsylvania: Laurentian, Huronian, Cambrian and Lower Silurian formations, by J.P. Lesley
| Author | : Geological Survey of Pennsylvania |
| Publisher | : |
| Total Pages | : 752 |
| Release | : 1892 |
| Genre | : Coal |
| ISBN | : |
Final Report Ordered by Legislature, 1891: pt. I. Carboniferous formations, by J.P. Lesley, E.V. d'Invilliers, and A. DW. [!] Smith. pt. II. Bituminous coal fields, by E.V. d'Inilliers, and New Red of Bucks and Montgomery counties by B.S. Lymann
| Author | : Pennsylvania. Geological survey |
| Publisher | : |
| Total Pages | : 758 |
| Release | : 1892 |
| Genre | : Coal |
| ISBN | : |
Transactions of the ... Annual Meetings of the Kansas Academy of Science
| Author | : Kansas Academy of Science. Meeting |
| Publisher | : |
| Total Pages | : 198 |
| Release | : 1893 |
| Genre | : Science |
| ISBN | : |
Vols. for 1881/82- include the Report of the secretary.
