Correlation chart of Pennsylvanian rocks in Alabama, Tennessee, Kentucky, Virginia, West Virginia, Ohio, Maryland, and Pennsylvania showing approximate position of coal beds, coal zones, and key stratigraphic units in Coal and petroleum resources ... (Q59748)
From geokb
USGS Numbered Series published by U.S. Geological Survey in 2014
- pp1708D.2
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Correlation chart of Pennsylvanian rocks in Alabama, Tennessee, Kentucky, Virginia, West Virginia, Ohio, Maryland, and Pennsylvania showing approximate position of coal beds, coal zones, and key stratigraphic units in Coal and petroleum resources ... |
USGS Numbered Series published by U.S. Geological Survey in 2014 |
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Statements
15 July 2014
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