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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Waagé, Karl M. (Karl Mensch),
    Publication info: 1955
    Holding Institution: Peabody Museum of Natural History, Yale University
    Subjects: ammonoids  Bivalves  CO, WY  Cretaceous  field books  Fossils  Paleontology  Stratigraphy  USA  Western Interior Seaway  
    BHL Collections: BHL Field Notes Project