Madison IN: preserved Ohio River town

Where: Midwest · North America · approx. 38.74, -85.38 (vicinity only)

Why this spot: Best-preserved 1840s Ohio River town (133-block NHL district)

What turns up: 1840s-60s: pontiled sodas, Ohio Valley flasks, porters.

Access: Permission required.

NHL status is not a private-lot dig ban, but keep it quiet and respectful.

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