Iron frontier : the discovery and early development of Minnesota's three ranges /

Antzeko izenburuak

• 48th Annual meeting of the Minnesota Section, AIME, and 36th annual Mining Symposium, January 15, 16, 17, 1975, Duluth, Minnesota : [proceedings] /
  Argitaratua: (1975)
• The Washington Iron Works of Franklin County, Virginia, 1773-1850 /
  nork: Salmon, John S., 1948-
  Argitaratua: (1986)
• Industrial evolution : organization, structure, and growth of the Pennsylvania iron industry, 1750-1860 /
  nork: Paskoff, Paul F.
  Argitaratua: (1983)
• Virginia iron manufacture in the slave era.
  nork: Bruce, Kathleen
  Argitaratua: (1968)
• Bulletin of the University of Minnesota, Minnesota School of Mines Experiment Station.
  Argitaratua: (1912)