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Inside Wisconsin's Crystal Caves, 7 Stories Below Earth's Surface. April 29, ... John Lauritsen takes us just across the border to the Crystal Cave in Spring Valley, Wisconsin.
Crystal Cave, W965 State Road 29, Spring Valley. Phone 715-778-4414 or visit www.acoolcave.org . Cave of the Mounds, 2975 Cave of the Mounds Road, Blue Mounds.
MINNEAPOLIS (WCCO) — In this week’s Finding Minnesota, John Lauritsen takes us just across the border to the Crystal Cave in Spring Valley, Wisconsin. It’s an adventure seven stories below ...
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