Cohee, George V.  1907- <br/><br/>
Changes in stratigraphic nomenclature by the U.S. Geological survey 1964 / 
by George V. Cohee and Walter S. West. 
 -- Washington :   United States Government Printing Office,   1965 
 - 77 p. -- 
 (Geological Survey Bulletin  ;  1224-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estratigrafía
<br/><br/><label>Universal Decimal Class. No.: </label>551.7