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
Minnesota Mining Directory 1989 University of Minnesota. Mineral Resources Research Center Published: 1989 Total Pages: 266 Get eBook
Mining Directory of Minnesota Minnesota. University. [from old catalogue] Published: Total Pages: Get eBook
