Upper Cretaceous nonmaringe mollusks from Utah and Colorado. n. d.
Summary
Album caption: Upper Cretaceous nonmaringe mollusks from Utah and Colorado. n. d. Published in U. S. Geologocal Survey. Professional paper 254-B. 1954.
Summary
Album caption: Upper Cretaceous nonmaringe mollusks from Utah and Colorado. n. d.
Published in U. S. Geologocal Survey. Professional paper 254-B. 1954.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Yen, Teng-Chien Collection
Rights
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