@misc{indiciaeab2bc0f9f7ed,
  title = {Gravity maps of the South Standard and Chief Oxide areas, East Tintic district, Utah},
  author = {Kenneth L. Cook},
  year = {1960},
  doi = {10.3133/ofr6030},
  url = {https://pubs.usgs.gov/publication/ofr6030},
  note = {Source identifier: ofr6030}
}