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• 103 Historic USGS Topographic Maps
• 27 WI Geological and Natural History

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• 103 Cartographic
• 27 Still image

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• 103 Maps
• 103 Minnesota
• 103 Topographic maps
• 13 Sandstone
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• 1 Dresbach sandstone
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• 17 Hotchkiss, William Otis, 1878-1954
• 6 Thwaites, F. T. (Fredrik Turville), 1883-1961
• 4 Bradt, H. H.
• 2 Hansell, J. M.
• 1 Dickinson, C. G.
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• 103 Wisconsin
• 8 Duluth (Minn.)
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• 6 Prescott (Wis.)
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• 3 MN04T48NR16WS01
• 3 Marine on St. Croix (Minn.)
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• 2 Cochrane (Minn.)
• 2 Forest Lake (Washington County, Minn. : Lake)
• 2 Lake City (Minn.)
• 2 Sandstone (Minn.)
• 2 Scandia (Minn.)
• 2 Two Harbors (Minn.)
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• 1 Bass Creek (Pine County, Minn.)
• 1 Clayton, Lake (Minn.)
• 1 Cloverton (Minn.)