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No abstract available.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Unnumbered Series |
| Title | Coal fields of the United States |
| DOI | 10.3133/70211330 |
| Year Published | 1942 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 2 Plates |
| Country | United States |
| Scale | 2500000 |