PEASE, Maurice H. <br/><br/>
Cretaceous and lower Tertiary stratigraphy of The Naranjito and Aguas Buenas quadrangles and adjacent areas Puerto Rico / 
by Maurice H. Pease. 
 -- Washington :   United States Government Printing Office,   1968 
 - 57 p. + map. -- 
 (Geological Survey Bulletin  ; 1253).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cretácico<br/>Estratigrafía<br/>Puerto Rico
<br/><br/><label>Universal Decimal Class. No.: </label>551.763(729.5)