Segerstrom, Kenneth  1909- <br/><br/>
Geology of the Bernal-Jalpan area Estado de Querétaro Mexico / 
by Kenneth Segerstrom. 
 -- Washington :   United States Government Printing Office,   1961 
 - 86 p. + map. -- 
 (Geological Survey Bulletin  ;  1104-B).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Querétaro ( Mexico )
<br/><br/><label>Universal Decimal Class. No.: </label>55(724.5)