Copyright © 1999 State Historical Society of Iowa. This article is posted here for personal use, not for redistribution.
"Wetlands of the American Midwest: a Historical Geography of Changing Attitudes/Discovering the Unknown Landscape: a History of America's Wetlands." The Annals of Iowa 58 (1999), 229-232.
Available at: https://ir.uiowa.edu/annals-of-iowa/vol58/iss2/22