Cuatro Ciénegas basin

ROCKHOUNDING PROHIBITED / VIEW ONLY DOCUMENTED

Where: Coahuila · North America · approx. 26.99, -102.06 (vicinity only)

Why this spot: Protected desert wetland with stromatolites

What turns up: View only

Access: Prohibited / view only.

Protected natural area; no collecting

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.