Subsurface Trenton and sub-Trenton rocks in Ohio, New York, Pennsylvania and West Virginia.
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| Format: | Book |
| Language: | English |
| Published: |
[Harrisburg] :
Topographic and Geologic Survey,
1948.
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| Series: | Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;
G21. |
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| Item Description: | "Reprinted from Bulletin of the American Association of Petroleum Geologists, volume 32, number 8." |
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| Physical Description: | 1457-1492 pages : maps. |