Cobban, William Aubrey  1916-2015 <br/><br/>
Multinodose scaphitid Cephalopods from the lower part of the Pierre shale and equivalent rocks in the conterminous United States / 
by William A. Cobban and Glenn R. Scott. 
 -- Washington :   United States Government Printing Office,   1964 
 - 13 p., [4] h. de lam. -- 
 (Geological Survey Professional Paper  ;  483-E).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amonites
<br/><br/><label>Universal Decimal Class. No.: </label>564.53