Missing 411 cave system connection. The top missing persons map has a frightening similarity to the bottom cave systems map Each year, over 600,000 people are reported missing in the United States In several regions, including the Appalachians, the Rockies, the Ozarks, and parts of California clusters of unexplained disappearances appear to overlap with dense underground cave networks. The United States alone has more than 45,000 documented caves, with many more believed undiscovered. Some stret
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Missing 411 cave system connection. The top missing persons map has a frightening similarity to the bottom cave systems map Each year, over 600,000 people are reported missing in the United States In several regions, including the Appalachians, the Rockies, the Ozarks, and parts of California clusters of unexplained disappearances appear to overlap with dense underground cave networks. The United States alone has more than 45,000 documented caves, with many more believed undiscovered. Some stret
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