Sheffler Rock Shop and Geode Mine

ROCKHOUNDING OPEN / LEGAL DOCUMENTED

Where: Missouri · North America · approx. 40.44, -91.46 (vicinity only)

Why this spot: Mississippian Warsaw Formation geodes

What turns up: Keokuk geodes lined with quartz, calcite, dolomite, pyrite and rare millerite

Access: Open / legal.

Fee dig near Alexandria in the Keokuk geode bed; keep the geodes you dig.

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.