Water records of Puerto Rico 
by James G. Rickher an others in cooperation with P.R. Aqueduct and Sewer Authority [and others 
 - San Juan, P.R.]  1970. 
 - v.  ill. map. tables. 
<br/><br/>v.1. 1964-67, north and northeast slopes. 
<br/><br/><label>LCCN: </label>fel36001817  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stream measurements--Puerto Rico.<br/>Water quality--Puerto Rico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico