Ponce Regional water resources management study  plan of study, July, 1974 
A cooperative effort between U.S. Army Corps of Engineers, Jacksonville Disrict [and] The Government of the Commonwealth of Puerto Rico. 
 - San Juan, P.R.  Urban Studies Office  1974. 
 - 1v (various pagings)  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply--Puerto Rico.<br/>Federal document Book.<br/>Water resources development--Ponce, Puerto Rico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Water.