Cross section illustrating a use of a mill and conveyor method to extract iron ore. Refer to Skillings Magazine volume XXVIII pp. 1 & 6-7 for more information regarding this process.
Iron Mining; Eveleth, MN; Oliver Iron Mining Company;
Cross section reveling the infrastructure of an operating underground iron ore mine. Note that the blue material that looks like it could be water, is in fact the ore body.
Iron Mining; Underground Mining; Oliver Iron Mining Company
Document describing a collection of records held in the Iron Range Research Center Archives documenting the Administration of the Superior National Forest
United States Department of Agriculture; Superior National Forest; Wilderness; Canoe Camping; Forestry;
