Two new plant genera of Pennsylvanian age from Kansas coal balls.
Title:
Two new plant genera of Pennsylvanian age from Kansas coal balls.
Author:
Mamay, Sergius H., 1920-
Personal Author:
Publication Information:
Washington : U.S. Govt. Print. Off., 1954.
Physical Description:
81-95 pages : illustrations, plates. ; 29 cm.
Language:
English
Format :
Book