Where: Washington · North America · approx. 47.15, -121.63 (vicinity only)
Why this spot: Gravel bars and slopes along a White River tributary carrying agate and jasper off the Cascades
What turns up: agate, jasper, carnelian
Access: Open / legal.
Casual hand collecting allowed on national forest ground; stay off private timber inholdings.
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.