Minnesota School of Mines Experiment Station & Comstock, E. H. (1913). Maps of the mining districts of Minnesota. University of Minnesota.
Chicago Style (17th ed.) CitationMinnesota School of Mines Experiment Station and E. H. Comstock. Maps of the Mining Districts of Minnesota. [Minneapolis]: University of Minnesota, 1913.
MLA (9th ed.) CitationMinnesota School of Mines Experiment Station and E. H. Comstock. Maps of the Mining Districts of Minnesota. University of Minnesota, 1913.
Warning: These citations may not always be 100% accurate.