Short papers in geology hydrology, and topography articles 180-239. 

 -- Washington :   United States Government Printing Office,   1963 
 - 189 p. -- 
 (Geological Survey Professional Paper  ;  450-E).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología
<br/><br/><label>Universal Decimal Class. No.: </label>55