Article
Authors: Wm. C. Alden , Morris M. Leighton
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How to Cite: Alden, W. C. & Leighton, M. M. (1917) “The Iowan Drift, a Review of the Evidences of the Iowan Stage of Glaciation”, Iowa Geological Survey Annual Report. 26(1). doi: https://doi.org/10.17077/2160-5270.1187