@misc{indiciae99f508b4e253,
  title = {USGS Mineral Resources Program: International Activities},
  author = {S.J. Kropschot},
  year = {1998},
  doi = {10.3133/fs01198},
  url = {https://pubs.usgs.gov/publication/fs01198},
  note = {Source identifier: fs01198}
}