Additions to the flora of the Spotted Ridge Formation in central Oregon /

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Bibliographic Details
Author / Creator:	Mamay, Sergius H., 1920- author.
Imprint:	Washington : United States Department of the Interior, Geological Survey, 1956.
Description:	1 online resource (22 unnumbered pages, 4 unnumbered pages of plates) : illustrations.
Language:	English
Series:	Geological Survey professional paper ; 274-I Shorter contribution to general geology Geological Survey professional paper ; 274-L. Shorter contributions to general geology.
Subject:	Paleobotany -- Oregon, Central. Paleobotany -- Pennsylvanian. Formations (Geology) -- Oregon, Central. Paleobotany. Pennsylvanian Geologic Period. Oregon, Central.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/11553746

Hidden Bibliographic Details
Other authors / contributors:	Read, C. B., author. Geological Survey (U.S.), issuing body.
Notes:	"The U.S. Geological Survey' s previously undescribed collection of fossil plants from the Spotted Ridge formation is fully described and illustrated, including three new species." Includes bibliographical references (pages 223-224) and index. Description based on online resource; title from PDF title page (USGS viewed Oct. 31, 2017).
Other form:	Print version: Mamay, Sergius H., 1920-. Additions to the flora of the Spotted Ridge Formation in central Oregon
GPO item no.:	0624 (online)
Govt.docs classification:	I 19.16:274-I

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