@misc{indiciae045960e36b12,
  title = {Mapping the seafloor geology offshore of Massachusetts},
  author = {Walter A. Barnhardt and Brian D. Andrews},
  year = {2006},
  doi = {10.3133/fs20063042},
  url = {https://pubs.usgs.gov/publication/fs20063042},
  note = {Source identifier: fs20063042}
}