Colorado School of Mines mining engineering students Josh Gresham, cq, left, and Kelly Michals, cq, center listen to intructions from Bob Cooper, cq, 56, Ast. Mine Manager while they work in an old Army mine that is now used for instruction near Idaho Spr
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Cancel EditBARRY GUTIERREZ, Colorado School of Mines mining engineering students Josh Gresham, cq, left, and Kelly Michals, cq, center listen to intructions from Bob Cooper, cq, 56, Ast. Mine Manager while they work in an old Army mine that is now used for instruction near Idaho Spr (02/01/2006), [432992466] . Denver Public Library Digital Collections, accessed 20/01/2025, https://digital.denverlibrary.org/nodes/view/731341