The geologic history of Colossal Cave is complicated. Recent research indicates that it had two sources of water. The first, which was the water that formed the cave's passageways, probably seeped ...
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Inside Arizona’s Colossal Cave Mountain Park: Bats, outlaw lore and stone wonders beneath the desert
Explore Arizona’s Colossal Cave Mountain Park on a guided stroll past bat roosts, outlaw lore, and fossilized flowstone in a dry cavern.
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