"Duluth (Minn.)" . . "Superior, Lake." . . "Minnesota Tripoli Company (Saint Paul, Minn.)." . . . . . . "Maps" . . . "Deeds" . . . . . . . "Plats" . . . . . . . . . . "Correspondence, notebooks, deeds, plats, and miscellany of this Minnesota geologist and miner who operated around Lake Vermilion, along the north shore of Lake Superior, and as a surveyor for the Northern Pacific Railroad in western Minnesota and Dakota Territory. There is information in particular about iron, silver, and gold mining in Minnesota and about cultural activities in Duluth." . . . "Newspapers" . . . . . . . . . . . . . "Lectures" . "Richard M. Eames papers" . . . . . . . "Patents" . . . . "Vermilion Lake Mineral Land Company." . . "Vermilion Lake (Minn.)" . . "Saint Paul (Minn.)" . . "Vincennes (Ind.)" . . "Minnesota" . .