Stratigraphic notes, 1989-90 /  
U. S. Geological Survey and U. S. Department of the Inderior. 
 - [Washington]:   [United States Government Printing Office],   [1991].  
 - iii, 40 p. :  ill., maps, tables ;  28 cm. 
 -  1935 .
<br/><br/> Four short papers propose changes in stratigraphic nomenclature in Oregon, Vermont, Massachusetts, and southern Pakistan. 
<br/><br/>Includes bibliographical references (p. 33-34). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Tertiary<br/>Geology--Oregon--Vermont--Massachusetts--Southern Pakistan
<br/><br/><label>Dewey Class. No.: </label>551.7809