@misc{indiciae722ab7fda857,
  title = {Bottom sediments on the Continental Shelf of the northeastern United States Cape Ann, Massachusetts, to Casco Bay, Maine},
  author = {David W. Folger and Charles J. O’Hara and James M. Robb},
  year = {1972},
  doi = {10.3133/ofr72121},
  url = {https://pubs.usgs.gov/publication/ofr72121},
  note = {Source identifier: ofr72121}
}