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Underground machine shop at the Gilman Mine with John "Smiles" Doyle on the left and Bob Enzenroth on the right. An open forge is on the left.
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Cable used to raise forge door.
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Emmet Flaherty preparing to pre-heat two blank pieces of hollow drill steel. In the background is an automatic oil-fired forge which will bring these blanks to an exact temperature for forging. From the hollow drill blanks, finished pieces of lugged steel are formed for use in rock drills.