Juho Heikki Kantokoski: (1988-1957) (brother of Matti Kantokoski)
Joe Wolotko
Jim Heldmann fonds
Jan 11/60 a partly poured tailings fill - (Jack Heit) Dad on safety demonstrating how fill was put into stope (tailings slime) below 4,000 #9 shaft - Mill hole in a stope - Jan. 11/60