Where: Wyoming · Europe · approx. 44.4, -104.38 (vicinity only)
Why this spot: Jurassic
What turns up: Sundance Fm ammonites (Cardioceras), belemnites, oysters
Access: Gray area.
Roadcuts and BLM exposures of the Sundance Sea; personal-use invertebrate collecting on BLM allowed, private needs permission.
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.