Collapsed mine that caused Alton sinkhole was active limestone operation - St. Louis Post-Dispatch 0 27.06.2024 19:44 Google.com Collapsed mine that caused Alton sinkhole was active limestone operation St. Louis Post-DispatchSoccer field damaged in Alton collapse KSDK.comMassive sinkhole collapses soccer field at Illinois park Fox NewsGiant sinkhole forms at center of soccer field in Illinois park: Watch USA TODAY
