Cairo IL: dead Gilded-Age city

Where: Midwest · North America · approx. 37.0, -89.18 (vicinity only)

Why this spot: Confluence boom city, 15,000 people down to 1,600; whole commercial blocks demolished

What turns up: Gilded-Age city glass: sodas, whiskies, steamboat-era imports.

Access: Permission required.

Mostly private/city vacant lots - ownership research required; levee batture is USACE (federal, no).

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