@misc{indiciae52ac50a77376,
  title = {Time-series photographs of the sea floor in western Massachusetts Bay: June 1997 to June 1998},
  author = {Bradford Butman and P. Soupy Alexander and Michael H. Bothner},
  year = {2004},
  doi = {10.3133/ds87},
  url = {https://pubs.usgs.gov/publication/ds87},
  note = {Source identifier: ds87}
}