Pollution survey of the Tanama River. 
Performed by Puerto Rico Aqueduct and Sewer. Authority, Production Division. 
 - [San Juan, P.R.]  1968. 
 - 8 p.  charts, map. 
<br/><br/> Mimeographed. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution.<br/>Rivers--Puerto Rico
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Tanama River, Puerto Rico.