Article
Authors: Samuel Calvin , H. Foster Bain , Willaim Harmon Norton , A. G. Leonard
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How to Cite: Calvin, S. , Bain, H. F. , Norton, W. H. & Leonard, A. G. (1896) “Administrative Reports”, Iowa Geological Survey Annual Report. 5(1). doi: https://doi.org/10.17077/2160-5270.1007