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NOVA HEDWIGIA. BEIHEFTE: Heft 026: Vanlandingham, S.L.: Paleoecology and Microfloristics of Miocene Diatomites from the Oris Basin-Juntura Region of Harney and Malheur Counties, Oregon. 1967. 25 pls. IV,78 p. 22.47 (7414) (ISBN 978-3-7682-5426-7)
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