Luttrell, Gwendolyn Lewise W.  1927- <br/><br/>
Lexicon of new formal geologic names of the United States 1981-1985 / 
by Gwendolyn W. Luttrell, Marilyn L. Hubert and Cynthia R. Murdock. 
 - Washington:   United States Government Printing Office,   1991.  
 - iv, 376 p. :  tables ;  23 cm. 
 -  1565 .
<br/><br/>Includes bibliographical references (p. 364-376). 
<br/><br/> A compilation of the new formal geologic names introduced into the literature from 1981 to 1985 in the United States and Puerto Rico. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Nomenclature--United States<br/>Geology--Nomenclature--Puerto Rico
<br/><br/><label>Dewey Class. No.: </label>551.7