@misc{indiciaed14f640f08b8,
  title = {Base-metal deposits of the Cordillera Negra, Departamento de Ancash, Peru},
  author = {Alfred J. Bodenlos and John A. Straczek},
  year = {1957},
  doi = {10.3133/b1040},
  url = {https://pubs.usgs.gov/publication/b1040},
  note = {Source identifier: b1040}
}