How to Cite:
Ladd, H. S., (1929) “The Stratigraphy and Paleontology of the Maquoketa Shale of Iowa, Pt. 1”, Iowa Geological Survey Annual Report archive 34(1), 305-440. doi: https://doi.org/10.17077/2160-5270.1243
Rights: Material in the public domain. No restrictions on use.
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