Conde-Costas, Carlos, E. <br/><br/>
Reconnaissance of ground-water quality in the Manatí quadrangle, Puerto Rico, August-November 1992 
 Reconnaissance of ground water quality in the Manatí quadrangle, Puerto Rico, August-November 1992 
by Carlos E. Conde-Costas and Gilbert A. Rodríguez-Rodríguez ; prepared in cooperation with the Puerto Rico Environmental Quality Board, Puerto Rico Aqueduct and Sewer Authority, Puerto Rico Department of Natural and Environmental Resources. 
 - San Juan, P.R.  Denver, CO  U.S. Geological Survey  Branch of Information Services [distributor]  116 
 - iv, 16 p.  ill., maps  28 cm. 
 - U.S. Geological Survey open-file report  96-628 .
<br/><br/>Includes bibliographical references (p. 16). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Quality.--Puerto Rico--Manatí Region
<br/><br/><label>LC Class. No.: </label>QE75  / .O65 no.96-628