TY - RPRT TI - Potentiometric surface of the alluvial aquifer and hydrologic conditions near Caguas, Puerto Rico, March 1988 AU - Juan Carlos Puig AU - Felix Rodriguez-del-Rio AU - Jose M. Rodriguez PY - 1989 DO - 10.3133/wri894075 UR - https://pubs.usgs.gov/publication/wri894075 ID - wri894075 ER -