| Report of Progress in the Venango County District. by John F. Carll. Observations on the Geology Around Warren. by F. A. Ran | | | Author:
| Carll, John Franklin | | ISBN: | 978-1-4255-0996-5 | | Publication Date: | Sep 2006 | | Publisher: | Michigan Publishing
| | Book Format: | Paperback | | List Price: | USD $16.99 |
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