@misc{indiciaebcf53141c08b,
  title = {Historical shoreline mapping (II): Application of the Digital Shoreline Mapping and Analysis Systems (DSMS/DSAS) to shoreline change mapping in Puerto Rico},
  author = {E. Robert Thieler and William W. Danforth},
  year = {1994},
  url = {https://pubs.usgs.gov/publication/70135638},
  note = {Source identifier: 70135638}
}