Cover image for The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States
Title:
The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States
Author:
Cobban, William Aubrey, 1916-
Publication Information:
Washington : U.S. Govt. Print. Off., 1969.
Physical Description:
iii, 29 pages : illustrations, map. ; 30 cm.
Language:
English
Format :
Book