The Des Moines River Study was a cooperative project involving the Department of Public Instruction, the Drake University Science Education Department, and science teachers and selected students in eighteen schools along the Des Moines River from Estherville to Knoxville. The year-long study began in November, 1974 and ended in October, 1975.
Iowa Science Teachers Journal
© Copyright 1976 by the Iowa Academy of Science
Downs, Gary and Joslin, Paul
"The Des Moines River Study,"
Iowa Science Teachers Journal: Vol. 13
, Article 11.
Available at: https://scholarworks.uni.edu/istj/vol13/iss1/11