Water resources of the Ponce area, Puerto Rico 
by Neal E. McClymonds; prepared in cooperation with the Puerto Rico Environmental Quality Board... [et al]. 
 - Commonwealth of Puerto Rico  United States Geological Survey  1972. 
 - 26 p.  ill. 
 - Water Resources Bulletin  14. .
<br/><br/>Bibliographical references : p. 26. 
<br/><br/><label>LCCN: </label>fel36001816  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply--Puerto Rico.