Where: New York · North America · approx. 43.03, -74.96 (vicinity only)
Why this spot: Cambrian dolostone
What turns up: Doubly-terminated Herkimer 'diamond' quartz in dolostone pockets
Access: Permission required.
Private fee-dig mines (Ace of Diamonds, Herkimer Diamond Mines, Crystal Grove); pay, keep finds.
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.