@misc{indiciaeaafd3e21343b,
  title = {Fifteen 1 degree x 2 degree digital geologic maps of the Altiplano and Cordillera Occidental, Bolivia in Arc/Info export format},
  author = {Sherman P. Marsh and Donald H. Richter and Steve Ludington and Eduardo Soria-Escalante and Angel Escobar-Diaz},
  year = {2000},
  doi = {10.3133/ofr97174},
  url = {https://pubs.usgs.gov/publication/ofr97174},
  note = {Source identifier: ofr97174}
}