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• 700 Ecology and Natural Resources

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• 409 Quarries
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• 181 Thwaites, F. T. (Fredrik Turville), 1883-1961
• 156 Hotchkiss, William Otis, 1878-1954
• 35 Aldrich, Henry Ray, 1891-
• 35 Bean, E. F. (Ernest F.), 1882-
• 29 Steidtmann, Edward, 1881-1948
• 27 Gansen, E. F.
• 25 Gwinn, C. S.
• 21 Doerr, J. E.
• 15 Crook, J. A.
• 13 Licking, R. H.
• 8 Bradt, H. H.
• 8 Dickinson, E. G.
• 7 Dahlgren, E. G.
• 6 H. J. K.
• 5 Hansell, J. M.
• 5 J. E. D.
• 4 Dake, C. L.
• 4 Edwards, E. C.
• 4 Osgood, Wayland
• 3 Behre, C. H.
• 3 Blanchard, W. O. (William Oscar), 1886-1952
• 3 Eidemiller, H. N.
• 3 Ellsworth, E. W.
• 3 Wilcox, R.
• 2 Barton, H. E.
• 2 Sheboygan Press
• 1 Bean, W. C.
• 1 Dickinson, C. G.
• 1 Edwards, Ira
• 1 Franklin, Louis

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