Article

Forty-ninth and Fiftieth Annual Reports of the State Geologist

Author: Arthur C. Trowbridge

Abstract

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How to Cite: Trowbridge, A. C. (1943) “Forty-ninth and Fiftieth Annual Reports of the State Geologist”, Iowa Geological Survey Annual Report. 38(1). doi: https://doi.org/10.17077/2160-5270.1296