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Hart Mountain / Rabbit Basin agate & obsidian, Oregon
ROCKHOUNDING
GRAY AREA
DOCUMENTED
Where: Oregon · North America · approx. 42.48, -119.77 (vicinity only)
Why this spot: Miocene
What turns up: Fire opal, agate and mahogany obsidian on BLM ground near the antelope refuge
Access: Gray area.
Hart Mountain NAR (refuge) collecting PROHIBITED; collect on surrounding BLM only.
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.