@misc{indiciae773254daba65,
  title = {Cretaceous and lower Tertiary stratigraphy of the Naranjito and Aguas Buenas quadrangles and adjacent areas, Puerto Rico},
  author = {Maurice Henry Pease},
  year = {1968},
  doi = {10.3133/b1253},
  url = {https://pubs.usgs.gov/publication/b1253},
  note = {Source identifier: b1253}
}