A Karst[1] geology usually consists of water-soluble rocks and sediment. Over time, water dissolves the rock and creates new passage ways, both above and under-

A Karst[1] geology usually consists of water-soluble rocks and sediment. Over time, water dissolves the rock and creates new passage ways, both above and under-ground. Sometimes this can be affected by human activities(such as mining, as has happened with aquifer withdrawals and phosphate mining in Central Florida and Clear Springs[2] [1] https://en.wikipedia.org/wiki/Karst https://en.wikipedia.org/wiki/Karst [2] https://en.wikipedia.org/wiki/Kissingen_Springs https://en.wikipedia.org/wiki/Kissingen_Springs