Duncannon Juniata mouth nail-works town

Where: Pennsylvania · North America · approx. 40.4, -77.02 (vicinity only)

Why this spot: Victorian bottle era, historically mapped

What turns up: 1830s-1910s bottles, cut nails, stoneware

Access: Permission required.

Works ground and banks are private; ask owners, river bed is state land.

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.