About two years ago the writer read before this body a paper, under the above title, giving a general statement of his work on the quality of Iowa well waters. The accumulating experience of the past two years seems to justify at this time a statement of some additional facts that seem important and which may be of interest to the Iowa Academy of Science.
Proceedings of the Iowa Academy of Science
©1909 Iowa Academy of Science, Inc.
Hendrixson, W. S.
"Some Features of Iowa Ground Waters, II,"
Proceedings of the Iowa Academy of Science, 16(1), 135-142.
Available at: https://scholarworks.uni.edu/pias/vol16/iss1/15