Torres González, Sigfredo. <br/><br/>
Hydrogeology and simulation of ground-water flow in the upper aquifer of the Río Grande de Manatí area, Puerto Rico 
 Hydrogeology and simulation of ground water flow in the upper aquifer ... 
by Sigfredo Torres-González, Michael Planert, and José M. Rodríguez ; prepared in cooperation with the Puerto Rico Aqueduct and Sewer Authority, Puerto Rico Industrial Development Corporation [i.e. Company], Puerto Rico Department of Natural and Environmental Resources. 
 - San Juan, P.R.  Denver, CO  U.S. Dept. of the Interior, U.S. Geological Survey  Earth Science Information Center, Open-File Reports Section [distributor]  1996. 
 - vi, 102 p.  ill., maps  28 cm. 
 - Water resources investigations report  95-4286 .
<br/><br/> Shipping list no.: 96-0228-P. 
<br/><br/>Includes bibliographical references (p. 41-42). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater flow--Simulation methods.--Puerto Rico<br/>Hydrogeology--Simulation methods.--Puerto Rico
<br/><br/><label>National Agricultural Library Call No.: </label>GB701.W375  / no.95-4286 
<br/><br/><label>GPO Item No.: </label>0624-B 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.42/4:95-4286