Iowa United States North America Show Caves
Discovered by a group of lead miners in 1868 and commercialized in 1932. Features half hour to 45-minute tour, hours, photo gallery and contacts. Located south of Dubuque.
Top: Recreation: Outdoors: Caving: Show Caves: North America: United States
Iowa
- Crystal Lake Cave - Discovered by a group of lead miners in 1868 and united states commercialized in 1932. Features half hour to 45-minute tour, united states hours, photo gallery and contacts. Located south of Dubuque.
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