@misc{indiciae76a15707f332,
  title = {Structural control of geochemical anomalies in the Greaterville mining district, southeast of Tucson, Arizona},
  author = {Harald Drewes},
  year = {1970},
  doi = {10.3133/b1312a},
  url = {https://pubs.usgs.gov/publication/b1312A},
  note = {Source identifier: b1312A}
}