Where: Washington · North America · approx. 47.08, -120.6 (vicinity only)
Why this spot: Miocene
What turns up: Ellensburg blue agate (pale cornflower blue)
Access: Permission required.
Best ground is private ranch land; permission or fee required.
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.