Where: West · North America · approx. 46.77, -119.88 (vicinity only)
Why this spot: Rockhounding locality: BLM ridge above the Columbia where diggers recover Miocene petrified wood, Washington's state gem
What turns up: petrified wood limbs and rounds, opalized wood, agatized wood
Access: Open / legal.
Casual petrified wood collecting allowed on BLM land under federal free-use limits (25 lb plus one piece per day, 250 lb per year); contact BLM Spokane for current limits and stay off intermixed private parcels on the east end
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.