Stratigraphic notes, 1994 

 - Reston, Va. :  Denver, Colo. :  Dept. of the Interior, U.S. Geological Survey ;  For sale by U.S. Geological Survey, Information Services, 
 - v. :  maps ;  28 cm. 
 - Irregular 
 - U.S. Geological Survey bulletin ;  2135 .
 - 198 -198 : Contributions to stratigraphy .
 - Contributions to stratigraphy. .
<br/><br/> Previously classed: I 19.3:  Shipping list no.: 96-0055-P.  Issue: 1994.  Description based on: 1985-86. 
<br/><br/><label>ISSN: </label>1071-7102 
 = Stratigraphic notes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Nomenclature.<br/>Geology, Stratigraphic--Nomenclature--United States.
<br/><br/><label>LC Class. No.: </label>QE75  QE645  / .B9 subser.