@misc{indiciaecf86c306dd85,
  title = {Shaded relief and sea floor topography of Quadrangle 2 in western Massachusetts Bay offshore of Boston, Massachusetts},
  author = {Bradford Butman and Laura Hayes and William W. Danforth and Page C. Valentine},
  year = {2003},
  doi = {10.3133/i2732b},
  url = {https://pubs.usgs.gov/publication/i2732B},
  note = {Source identifier: i2732B}
}