General Interest Article
Proceedings of the Iowa Academy of Science
©1922 Iowa Academy of Science, Inc.
"Proceedings of the Thirty-Sixth Annual Session of the Iowa Academy of Science, Drake University, Des Moines, April 28 and 29, 1922: Minutes of the Meeting; Staff & Committee Reports,"
Proceedings of the Iowa Academy of Science, 29(1), 16-30.
Available at: https://scholarworks.uni.edu/pias/vol29/iss1/4