The 1973 [i. e. nineteen seventy three]  water resources assessment for Puerto Rico 
Edited by Peter Weaver. 
 - San Juan, P.R.  1974. 
 - viii, 160 p.  maps, graphs. 
<br/><br/> "Report based on the work of the Interagency Technical Task Force on Water Resources."  "Funded in part by grant WR3AGo4o from the water."