@misc{indiciae7e05388eb62e,
  title = {The Aguada Limestone of northwestern Puerto Rico},
  author = {Watson Hiner Monroe},
  year = {1968},
  doi = {10.3133/b1274g},
  url = {https://pubs.usgs.gov/publication/b1274G},
  note = {Source identifier: b1274G}
}