TY - RPRT TI - Potentiometric surface of the upper and lower aquifers of the North Coast Limestone aquifer system and hydrologic conditions in the Arecibo-Manatí area, Puerto Rico, November 27-December 1, 2006 AU - Jose M. Rodriguez AU - Fernando Gómez-Gómez PY - 2008 DO - 10.3133/sim3030 UR - https://pubs.usgs.gov/publication/sim3030 ID - sim3030 ER -