Saint Louis County(119) ► ADJACENT TO SAINT LOUIS COUNTY Aitkin County(10) ► Carlton County(10) ► Itasca County(6) ► Koochiching County(2) ► Lake County(61) ► Douglas County, Wisconsin(22) ►
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The Pioneer Vermilion Iron Mining Company opened the Pioneer Mine in 1888 and began shipping ore the following year. When Oliver Iron Mining Company leased the Pioneer in 1898, it was producing over 500,000 tons annually. Eventually, it was . . . — — Map (db m127860) HM
The Pioneer Mine began operation in 1888. Shafts No. 1 and No. 2 were abandoned and replaced by vertical A Shaft, which was sunk in 1909 and in 1943 an incline from 8th level to surface was completed. Men, timber for support and equipment were . . . — — Map (db m127868) HM
