Review of: "The Iowa Geological Survey, Volume 3, Second Annual Report, 1893" by Samuel Calvin, Charles Rollin Keyes, and G. E. Patrick.
How to Cite:
(1895) “The Iowa Geological Survey”, The Annals of Iowa 2(1), 76-77. doi: https://doi.org/10.17077/0003-4827.2017
Rights: Material in the public domain. No restrictions on use.