Coal-bearing Upper Pennsylvanian and Lower Permian rocks, Washington area, Pennsylvania /
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| Hlavní autoři: | , , |
|---|---|
| Typ dokumentu: | Kniha |
| Jazyk: | Angličtina |
| Vydáno: |
Washington :
United States Government Printing Office,
1971
|
| Edice: | Geological Survey professional paper ;
621 |
| Témata: |
Obsah:
- Part 1. Lithofacies
- Part 2. Economic and engineering geology