A view of the Mollie Kathleen Gold Mine.NBC NewsElevator door was ‘broken' during Colorado mine tour accident that killed 1 and trapped 12Elevator accidents at mines are extremely rare, said Steven Schafrik, a University of Kentucky associate professor of mining engineering12 Oct 2024, 00:36 by Amy Beth Hanson, Mead Gruver, Jesse Bedayn, Matthew Brown | Associated Press · 5 NBCDFW