Peter Ole Henriksson Joki

Peter Joki was killed when 3-4 Hercules powder sticks blew up in his pocket while descending into the Quincy mine, on February 12, 1884.

Green Bay Press-Gazette
Green Bay, Wisconsin
Thu, Feb 14, 1884
Page 1

Peter Jokea, a miner, was blown to pieces Tuesday in the Quincy Mine, at Hancock, Mich., by the accidental explosion of several sticks of hercules powder that he carried down in his coat pocket.