TY  - BOOK
ED  - United States
TI  - Electrical analog model study of the alluvial aquifer in the Yabucoa valley, Puerto Rico
T2  - Open-File Report
PY  - 0000///19-
CY  - [Washington]
KW  - Hydrography
KW  - Yabucoa, Puerto Rico
KW  - Local
KW  - Puerto Rico
N1  - "Prepared by the U.S. Geological Survey in cooperation with Puerto Rico Environmental Quality Board [and others]; Selected references : p. 22
ER  -