Colorado School of Mines mining engineering students Josh Gresham, cq, left and Kelly Michals, right work in an old Army mine that is now used for instruction near Idaho Springs Wednesday February 1, 2006. (BARRY GUTIERREZ/ROCKY MOUNTAIN NEWS) CQ: Josh G
BARRY GUTIERREZ, Colorado School of Mines mining engineering students Josh Gresham, cq, left and Kelly Michals, right work in an old Army mine that is now used for instruction near Idaho Springs Wednesday February 1, 2006. (BARRY GUTIERREZ/ROCKY MOUNTAIN NEWS) CQ: Josh G (02/01/2006), [432992472] . Denver Public Library Digital Collections, accessed 18/04/2026, https://digital.denverlibrary.org/nodes/view/731310



