Ore estimates for Minnesota iron mines, 1909-1941.
Related Entities
There are 3 Entities related to this resource.
Minnesota. Dept. of Taxation.
http://n2t.net/ark:/99166/w6wr0vq7 (corporateBody)
University of Minnesota. School of Mines
http://n2t.net/ark:/99166/w60w2nw2 (corporateBody)
Minnesota Tax Commission (1907-1939)
http://n2t.net/ark:/99166/w6sv349d (corporateBody)