@misc{indiciaeb927c4e46612,
  title = {Manganese-phosphorite deposits of the Blake Plateau (Western North-Atlantic Ocean)},
  author = {Frank T. Manheim and P. Popenoe and William Siapno and C. Lane},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/70207336},
  note = {Source identifier: 70207336}
}