Atlas to accompany monograph XXXI on the geology of the Aspen District, Colorado
| Image |  |
|---|---|
| Description | Washington: U.S. Geological Survey, 1898. |
| Author/s | |
| Publication date | 1898 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Access work | |
| Copyright status |
public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |