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Big Brook, Marlboro, New Jersey

ROCKHOUNDING OPEN / LEGAL DOCUMENTED

Where: New Jersey · North America · approx. 40.32, -74.25 (vicinity only)

Why this spot: Cretaceous

What turns up: Cretaceous shark teeth, belemnites and marine fossils in the streambed

Access: Open / legal.

Municipal park; hand/surface collecting allowed, no large digging.

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.