Roundup Musselshell coal camp town

Where: Montana · North America · approx. 46.45, -108.54 (vicinity only)

Why this spot: Victorian bottle era, historically mapped

What turns up: 1900s-1930s bottles, miner's tags, crockery

Access: Permission required.

Mine lands and river banks are private ranches; ask owners.

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.