Where: Wisconsin · North America · approx. 43.1, -87.9 (vicinity only)
Why this spot: Devonian Milwaukee Formation ledges along the Milwaukee River
What turns up: brachiopods, corals, rare trilobite parts
Access: Gray area.
County park; picking loose river-ledge material is customary, not codified.
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.