Where: Montana · North America · approx. 45.15, -108.2 (vicinity only)
Why this spot: Cretaceous
What turns up: Dryhead agate (red/orange fortification agate)
Access: Permission required.
Private ranch fee-dig on the Crow border area; access by arrangement.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.