Whitford, Philip; Whitford, Kathryn (ed.) / Transactions of the Wisconsin Academy of Sciences, Arts and Letters
volume 74 (1986)
Lillie, Richard A.; Mason, John W.
Historical changes in water quality and biota of Devil's Lake, Sauk County, 1866-1985, pp. 81-104 PDF (8.7 MB)
Copyright 1986 Wisconsin Academy of Sciences, Arts and Letters.| For information on re-use, see http://digital.library.wisc.edu/1711.dl/Copyright