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The Minnesota Historical Society Pamphlet Collection contains pamphlets and printed ephemera relating to Minnesota iron ores and iron mining, including the geology and analysis of iron ores, taconite ores and mining, iron mining techniques and equipment, transportation of iron ore to market, the development of the iron mining and taconite industries, and related topics. There are iron ore production statistics; several reports by state auditor J.A.O. Preus (1911-1920); brochures on individual mines; commentary on the importance of iron ores and the iron mining industry to the state and national economy; and information on the Minnesota Museum of Mining.
The Minnesota Historical Society Pamphlet Collection contains pamphlets and printed ephemera relating to taxation of iron ore.
The Minnesota Historical Society Pamphlet Collection contains pamphlets and printed ephemera relating to ore deposits and mineral resources in general in Minnesota, mineral rights, prospecting for gold, and various aspects of mining operations, including excavating, drilling, blasting, and mine safety. There are a few items on copper, nickel, and manganese ores.