Early Miocene nonmarine diatoms from the Pine Ridge area, Sioux County, Nebraska / by George W. Andrews
- Geological Survey professional paper ; 683-E and Contributions to paleontology
- Title from title screen (viewed September 30, 2014). and "A description of an early Miocene nonmarine diatom assemblage from the Great Plains region and its stratigraphic and paleoecologic significance."
- Bibliography Note:
- Includes bibliographical references (pages E14-E15) and index.
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