Mine workers at work inside shrinkage stope of a copper mine in Ray, Arizona.
Ray Arizona USA Date:1927 Duration:2 min 22 sec Sound:NO SOUND
Mine workers place wooden boards above heavy timbers of drift inside a copper mine in Ray, Arizona. Miners at work in shrinkage stope. Air drills are used to drill holes in the ceiling of the stope. A miner crushes block of ores beside an angle-braced pony sets above the drifts.
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