Puig, Juan Carlos <br/><br/>
Ground water resources of the Caguas-Juncos valley, Puerto Rico  
by Juan c. Puig and Jose M. Rodriguez, with a section entitled, "General Geology" by Jesus Rodriguez-Martinez; prepared in cooperation with the Puerto Rico Department of Natural Resources [and] Puerto RIco Aqueduct and sewer Authority. 
 - v, 52 p.  ill., maps  28 cm. 
<br/><br/> Shipping list no.:93-0311-P. 
<br/><br/>Includes bibliographical references (p. 51-52). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Puerto Rico
<br/><br/><label>GPO Item No.: </label>0624-B 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.42/4:91-4079