@misc{indiciae290ca1409327,
  title = {Evaluation of hydrologic conditions and nitrate concentrations in the Rio Nigua de Salinas alluvial fan aquifer, Salinas, Puerto Rico, 2002-03},
  author = {Jose M. Rodriguez},
  year = {2006},
  doi = {10.3133/sir20065062},
  url = {https://pubs.usgs.gov/publication/sir20065062},
  note = {Source identifier: sir20065062}
}