Second Geological Survey of Pennsylvania: 1875. (E)
| Image |  |
|---|---|
| Description | multipart work, 1878 |
| Author/s |
author: Thomas Sterry Hunt |
| Publication date | |
| Language | English |
| Country of origin | United States |
| Wikipedia link | |
| Copyright status |
public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |