Giant sinkholes in a South Dakota neighborhood make families fear for their safety

Payne Institute Fellow Paul Santi contributes to this article about how sinkholes are fairly common, due to collapsed caves, old mines or dissolving material, but the circumstances in South Dakota stand out, said Paul Santi, a professor of geological engineering at the Colorado School of Mines. The combination of such large sinkholes endangering so many homes makes the Hideaway Hills situation one to remember. September 21, 2024.