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• 31 Ecology and Natural Resources
• 31 WI Geological and Natural History

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• 31 Still image

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• 31 Mines
• 9 Pits
• 9 Sandstone
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• 4 Conglomerates
• 3 Byron beds
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• 18 Hotchkiss, William Otis, 1878-1954
• 4 Gansen, E. F.
• 3 Bean, E. F. (Ernest F.), 1882-
• 3 Thwaites, F. T. (Fredrik Turville), 1883-1961
• 1 Gwinn, C. S.
• 1 Licking, R. H.

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• 5 Sauk County (Wis.)
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