Cover image for Upper Paleozoic floral zones and floral provinces of the United States
Upper Paleozoic floral zones and floral provinces of the United States
Title:
Upper Paleozoic floral zones and floral provinces of the United States
Author:
Read, C. B., 1907-
Personal Author:
Publication Information:
Washington : U.S. Govt. Print. Off., 1964.
Physical Description:
35 pages : 19 plates ; 29 cm.
Language:
English
Format :
Book