U.S. Geographical and Geological Survey of the Rocky Mountain Region
E303528
UNEXPLORED
The U.S. Geographical and Geological Survey of the Rocky Mountain Region was a 19th-century federal scientific survey that conducted pioneering geological and topographical investigations across the Rocky Mountains in the American West.
Referenced by (1)
| Subject (surface form when different) | Predicate |
|---|---|
|
Grove Karl Gilbert
→
|
employer |