Water resources data  Puerto Rico and the U.S. Virgin Islands water year 
 U.S.G.S. water resources data.  Puerto Rico and the U.S. Virgin Islands 

 - San Juan, PR  [Springfield, VA  U.S. Dept. of the Interior, Geological Survey  National Technical Information Service, distributor  1984- 
 - v.  maps  28 cm. 
 - 
 - Water year 1986- 
 - U.S. Geological Survey water-data report .
<br/><br/>Each issue covers: Oct. 1-Sept. 30. 
<br/><br/>
<br/><br/>Vols. for 1983-198 prepared in cooperation with Caribbean District, WRD, U.S. Geological Survey, the Commonwealth of Puerto Rico, the Government of the U.S. Virgin Islands, and other agencies; <1985>-198 , <1988-> in cooperation with the Commonwealth of Puerto Rico, the Government of the U.S. Virgin Islands, and other agencies; 198 -<1987> in cooperation with the Commonwealth of Puerto Rico and with other agencies. 
<br/><br/><label>ISSN: </label>8756-9809 
<br/><br/><label>LCCN: </label>85641095  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply--Statistics--Periodicals.--Puerto Rico<br/>Water quality--Statistics--Periodicals.--Virgin Islands of the United States<br/>Water quality--Statistics--Periodicals.--Puerto Rico<br/>Water supply--Statistics--Periodicals.--Virgin Islands of the United States
<br/><br/><label>LC Class. No.: </label>GB717  / .U53a 
<br/><br/><label>GPO Item No.: </label>619-E-53 (MF) 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.53/2:PR-