Puerto Rico and the U.S. Virgin Islands water year Puerto Rico and the U.S. Virgin Islands Geological Survey (U.S.) Water Resources Division. Caribbean District. text statistics pr San Juan, PR Springfield, VA U.S. Dept. of the Interior, Geological Survey National Technical Information Service, distributor 1984- 1986 9999 monographic Annual eng v. maps 28 cm. specialized Each issue covers: Oct. 1-Sept. 30. Vols. for 1983- distributed to depository libraries in microfiche. 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. nwpr--- nwvi--- Water supply Puerto Rico Statistics Periodicals Water quality Virgin Islands of the United States Statistics Periodicals Water quality Puerto Rico Statistics Periodicals Water supply Virgin Islands of the United States Statistics Periodicals GB717 .U53a I 19.53/2:PR- I 19.53/2:PR- 8756-9795 (DLC) 85641097 (OCoLC)10297653 8756-9809 85641095 DLC 850211 20200624062619.0 65424