Brief History of Ontario Mining - Republic of Mining
Brief History of Ontario Mining. March 10, 2016 July 23, 2010. ... It was brought into production in 1905. At the end of the 19th century the Helen Iron Mine near Wawa, north of Sault Ste. Marie, was put into production by the Algoma Steel Company. Earlier, Professor A.P. Coleman of the University of Toronto, working on an assignment for the ...