3 edition of Geology and natural gas production of the Lower Silurian Medina group and equivalent rock units in Pennsylvania found in the catalog.
Published
1981 by Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, May be purchased from State Book Store in Harrisburg .
Written in English
Edition Notes
| Statement | by Robert G. Piotrowski. |
| Series | Mineral resource report ;, 82 |
| Classifications | |
|---|---|
| LC Classifications | QE471 .P53 1981 |
| The Physical Object | |
| Pagination | iv, 21 p. : |
| Number of Pages | 21 |
| ID Numbers | |
| Open Library | OL3143952M |
| LC Control Number | 82621513 |
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