It is intended in this paper to state briefly some of the geological features of Madison County as observed during the past summer. For a more detailed description, reference may be made to the complete report in the next volume of the ''Iowa Geological Survey."
Proceedings of the Iowa Academy of Sciences
©1896 Iowa Academy of Science, Inc.
Tilton, J. L.
"Results of Recent Geological Work in Madison County,"
Proceedings of the Iowa Academy of Science, 4(1), 47-54.
Available at: https://scholarworks.uni.edu/pias/vol4/iss1/9