Oligocene plants from the Upper Ruby River Basin, southwestern Montana.

Bibliographic Details
Main Author:	Becker, Herman Frederick, 1907-
Format:	Book
Language:	English
Published:	New York : Geological Society of America, 1961.
Series:	Memoir (Geological Society of America) ; 82.
Subjects:	Paleobotany > Oligocene. Paleobotany > Montana.

Description
Physical Description:	vii, 127 pages : plates, map, profiles. ; 26 cm.
Bibliography:	Bibliography: pages 91-94.