@misc{indiciaede9b82338709,
  title = {Map showing weight percent of the total organic carbon in the surficial sediments of the Mid-Atlantic continental margin, Cape Cod to Albemarle Sound},
  author = {L. J. Poppe and J. S. Schlee and C.M. Lane-Bostwick},
  year = {1990},
  doi = {10.3133/i1987b},
  url = {https://pubs.usgs.gov/publication/i1987B},
  note = {Source identifier: i1987B}
}