@misc{indiciaee90bad884212,
  title = {Bottom sediments on the continental shelf off the northeastern United States -- Cape Cod to Cape Ann, Massachusetts},
  author = {John Schlee and David W. Folger and Charles J. O’Hara},
  year = {1971},
  doi = {10.3133/ofr1639},
  url = {https://pubs.usgs.gov/publication/ofr1639},
  note = {Source identifier: ofr1639}
}