34 miners were killed following a magazine explosion in the Daly West and Ontario Silver Mines in Park City, Utah. The magazine, located in the Daly West mine, exploded after miner, John Burgy, entered carrying a lit candle. Three of the deceased were rescuers: John McLaughlin; James Smith; and Jack Ballon, all of whom died of asphyxiation while rendering aid and searching for survivors. McLaughlin died after making his second trip into the mine. Several of the dead were in the adjacent Ontario mine. With the exception of Mr. Burgy, all the miners died from asphyxiation.
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