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

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• 37 Still image

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• 31 Quarries
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• 21 Hotchkiss, William Otis, 1878-1954
• 4 Gansen, E. F.
• 4 Thwaites, F. T. (Fredrik Turville), 1883-1961
• 3 Bean, E. F. (Ernest F.), 1882-
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• 6 Sauk County (Wis.)
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