united states mine rescue association Mine Disasters in the United States
Butte and Boston Mining Company Silver Bow No. 2 Copper Mine Fire
April 21, 1893
No. Killed - 9
As a result of a fire in the mine, nine men lost their lives. The fire was extinguished early on the morning of April 22, after 800 gallons of water a minute had been poured into the mine, which filled with water to the 600-foot level.
The bodies of the victims were found on the 400-foot level, showing that the men had climbed to that level from the place where the fire originated and were suffocated by the smoke.
Historical Summary of Mine Disasters in the United States - Volume III