Contributions to the palæontology of Iowa; being descriptions of new species of Crinoidea and other fossils. By James Hall, state geologist and ... report of Iowa. Pub. by authority of the Le Book Discussion
Contributions to the palæontology of Iowa; being descriptions of new species of Crinoidea and other fossils. By James Hall, state geologist and ... report of Iowa. Pub. by authority of the Le (Paperback)
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