Island-wide water supply study for Puerto Rico. 

 - San Juan, P.R.  U.S. Army Corps of Engineers  1980. 
 - 3v.  maps, tables. 
<br/><br/> Cover title.   ̲̲̲̲̲̲̲̲̲̲ ̲̲̲̲̲̲̲̲: executive summary. -- San Juan : The Corps, 1980. 38 p. : maps, tables. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply--Puerto Rico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Water.