The recognizable species of the Green River flora
By: Roland W. Brown
Series: Geological Survey (U.S.). Professional paper -- 185-C; Shorter Contributions to General Geology -- 1934-35 (Pages 45-77); Professional paper (Geological Survey (U.S.)) -- no. 185-C
Publisher: Government Printing Office
Published: 1934
Place of publication: Washington
Language: eng
Number of pages: 77
Subjects: Paleobotany