Mt. Vernon, Iowa, June 15, 1926- Dr. H. F. Lewis of the Chemistry Department of Cornell College, Mount Vernon, Iowa who has developed a method for the eradication of the Canada Thistle in conjunction with J. D. Peet, a farmer of Mt. Vernon, Iowa, makes public the result of the first year's work on the farms of Mr. Peet.
Proceedings of the Iowa Academy of Science
©1926 Iowa Academy of Science, Inc.
Lewis, Harry F.
"The Eradication of the Canadian Thistle through the Action of Concentrated Sulfuric Acid,"
Proceedings of the Iowa Academy of Science, 33(1), 176-176.
Available at: https://scholarworks.uni.edu/pias/vol33/iss1/34