Where: Guanajuato · North America · approx. 21.22, -100.5 (vicinity only)
Why this spot: Tertiary Ag-Au veins
What turns up: Silver minerals, quartz, pyrite on ghost-town mine dumps
Access: Gray area.
Ghost mining town; dumps on private/ejido land. Ask locally.
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.