Explore › South Dakota rockhounding
Fairburn agate beds / Buffalo Gap grassland, South Dakota
ROCKHOUNDING
OPEN / LEGAL
DOCUMENTED
Where: South Dakota · North America · approx. 43.69, -103.21 (vicinity only)
Why this spot: Tertiary
What turns up: Fairburn agate on the national grassland surface
Access: Open / legal.
Buffalo Gap National Grassland; hand surface collecting of agate allowed (no digging, personal use).
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.