Cobban, William Aubrey,  1916- <br/><br/>
The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States, 
by William A. Cobban. 
 - Washington,  U.S. Govt. Print. Off.,  1969. 
 - iii, 29 p.  illus., map.  30 cm. 
 - Geological Survey professional paper 619 .
 - Geological Survey professional paper ;  619. .
<br/><br/>Bibliography: p. 24-27. 
<br/><br/><label>LCCN: </label>gs 68000316 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scaphites.<br/>Paleontology--Cretaceous.<br/>Paleontology--United States.
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 619 
<br/><br/><label>Dewey Class. No.: </label>564/.53