@misc{indiciae8aa7ab3f9900,
  title = {Historical shoreline changes at Rincon, Puerto Rico},
  author = {E. Robert Thieler and Milton Carlo},
  year = {1995},
  doi = {10.3133/ofr9572},
  url = {https://pubs.usgs.gov/publication/ofr9572},
  note = {Source identifier: ofr9572}
}