Isopach maps of overburden on the Pittsburgh coal bed in southwestern Pennsylvania and northern West Virginia
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Abstract
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Isopach maps of overburden on the Pittsburgh coal bed in southwestern Pennsylvania and northern West Virginia |
| Series title | Open-File Report |
| Series number | 74-132 |
| DOI | 10.3133/ofr74132 |
| Year Published | 1974 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | 8 p. |
| Scale | 62500 |