September 30, 2021
More than 150 homeowners in a development outside Rapid City, South Dakota, are suing Meade County over risks to their properties after a sinkhole exposed an abandoned gypsum mine. The federal complaint filed Sept. 27 by Hideaway Hills residents in …
June 23, 2021
An abandoned gypsum mine in Black Hawk, S.D., that was exposed by a sinkhole in 2020 may extend farther than current mapped areas show, according to a geophysical study. Mohammad Sadeghi, a professor of geological engineering at Montana Technical University …
May 25, 2021
A judge has rejected the state of South Dakota’s argument that homeowners in a Black Hawk neighborhood lack legal standing to seek damages due to a sinkhole. The Rapid City Journal reports Judge Kevin Krull’s May 14 ruling may now …