@misc{indiciae5c223fcfa0b8,
  title = {Methods and preliminary results of heavy-mineral studies in Liberia},
  author = {Sam Rosenblum and G. W. Leo and S.P. Srivastava},
  year = {2000},
  doi = {10.3133/ofr00259},
  url = {https://pubs.usgs.gov/publication/ofr00259},
  note = {Source identifier: ofr00259}
}