Mining directory of Minnesota Minnesota. Mines Experiment Station Published: 1931 Total Pages: Get eBook
Mining Directory of Minnesota, 1926 Massachusetts Institute of Technology. Mines Experiment Station Published: 1927 Total Pages: 229 Get eBook
Mining Directory of Minnesota Minnesota. University. [from old catalogue] Published: Total Pages: Get eBook
The Cuyuna Range Minnesota Historical Records Survey Project Published: 1940 Total Pages: 358 Get eBook