Short papers in the geologic and hydrologic sciences, articles 1-146. 

 -- Washington :   United States Government Printing Office,   1961 
 - 344 p. -- 
 (Geological Survey Professional Paper  ;  424-B).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Hidrología
<br/><br/><label>Universal Decimal Class. No.: </label>556