Additions to the flora of the Spotted Ridge Formation in central Oregon /
Main Authors: | , |
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Format: | Government Document Book |
Language: | English |
Published: |
Washington :
U.S. Govt. Print. Off,
1956.
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Series: | Professional paper (Geological Survey (U.S.)) ;
274-I. |
Subjects: |
Physical Description: | 211-226 pages : plates. ; 29 cm. |
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Bibliography: | Includes bibliographical references and index. |