Oligocene plants from the Upper Ruby River Basin, southwestern Montana.
Series: Geological Society of America. Memoir; 82; Memoir (Geological Society of America) ;; 82.
Publisher: Geological Society of America
Published: 1961
Place of publication: New York
Language: eng
Number of pages: 127
Subjects: Paleobotany -- Oligocene.; Paleobotany -- Montana.
Notes: Bibliography: p. 91-94.