@misc{indiciae88fdda264601,
  title = {Preliminary bathymetric base map of the Isla Caja de Muertos area, Puerto Rico},
  author = {James V. Trumbull},
  year = {1975},
  doi = {10.3133/ofr75329},
  url = {https://pubs.usgs.gov/publication/ofr75329},
  note = {Source identifier: ofr75329}
}