Milestones Affecting the Iron Mining Industry in the Central Iron Range
1884 First shipment of iron ore from 1890 Iron ore discovered at Mountain Iron, 1892 First shipment from Mountain Iron Mine 1910 First installation to improve iron ore by
washing built at 1922 Plant to concentrate low-grade magnetic
taconite on commercial scale built at 1941 Depletion
of natural ore deposits in 1954-1956 Two commercial-scale taconite mining and
processing operations built and producing pellets in 1964 "Taconite Amendment" to 1974 1980 Declining domestic steel production
and worldwide overdevelopment of steelmaking facilities and iron ore resources
shock North American mining industry, beginning a period of uncertainty for Minnesota's
Iron Mining Industry courtesy of the Iron Mining Association of Minnesota.
