Yesterday my General Science classes visited the water plant to learn how Iowa City secures and prepares its water supply. In preparation for this I made a preliminary visit to the plant and prepared a skeleton outline, as given below, of the information to be gained.
©1931 by Iowa State Teachers College
"A Field Trip in General Science,"
Science Bulletin: Vol. 3:
7, Article 8.
Available at: https://scholarworks.uni.edu/science_bulletin/vol3/iss7/8