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Mine Disasters in the United States


Thomas Iron Company
Richard Iron Ore Mine Hoisting Disaster

Dover, Morris County, New Jersey
June 7, 1910
No. Killed 5



The No. 6 slope or shaft of this mine is carried down on the deposit at an average dip of about 52 degrees. Men were hoisted from this shaft by means of the ore core or skip and were required to ride in the bottom of the conveyance. Five men violated this rule, rode on the bail, and were killed. At a point about 100 feet below the surface, the angle of the shaft changes sharply, and in passing this point the weight of the five men on the bail upset the conveyance, all five being spilled down the shaft and killed.



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