Where: Potosi · South America · approx. -20.9, -66.25 (vicinity only)
Why this spot: Hydrothermal
What turns up: Wolframite, vivianite, cassiterite
Access: Gray area.
Old workings; specimens via dealers
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.