@misc{indiciaec4e840489ec9,
  title = {The Bambuta phosphate deposit, Liberia; a reconnaissance report},
  author = {Sam Rosenblum and S.P. Srivastava},
  year = {1979},
  doi = {10.3133/b1480},
  url = {https://pubs.usgs.gov/publication/b1480},
  note = {Source identifier: b1480}
}