Where: North Dakota · North America · approx. 46.48, -103.32 (vicinity only)
Why this spot: Paleocene silicified wood
What turns up: Petrified wood logs and chunks, some with agatized detail
Access: Open / legal.
National grassland; personal use petrified wood collecting is allowed up to posted daily and annual limits.
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.