MILLER, Ralph L. <br/><br/>
Pennsylvanian Formations of Southwest Virginia / 
By Ralph L. Miller. 
 -- Washington :   United States Government Printing Office,   1969 
 - 62 p. + 1 plan. pleg. -- 
 (Geological Survey Bulletin  ; 1280).
<br/><br/> Fecha real de registro 19-02-1970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estratigrafía<br/>Virginia
<br/><br/><label>Universal Decimal Class. No.: </label>551.7(755)