Where: Colorado · North America · approx. 39.13, -105.5 (vicinity only)
Why this spot: Precambrian
What turns up: Topaz, smoky quartz
Access: Open / legal.
Pike NF Tarryall Mountains; hobby collecting.
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.