Where: Arizona · North America · approx. 32.7, -109.1 (vicinity only)
Why this spot: Rockhounding locality: fire agate and chalcedony in volcanic host rock near Duncan
What turns up: fire agate, chalcedony, agate
Access: Open / legal.
BLM-designated Round Mountain Rockhound Area near Duncan; open to public rockhounding with no fees, though some producing ground is under mining claims.
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.