TY  - RPRT
TI  - Water resources data for Puerto Rico, water years 1979-80
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1982
DO  - 10.3133/wdrpr79801
UR  - https://pubs.usgs.gov/publication/wdrPR79801
ID  - wdrPR79801
ER  -