Pioneer Mine. . 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. Eventuall…
Pioneer Mine A Shaft. . 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 suppor…