@misc{indiciaeb9037e1c4927,
  title = {Maps of mines, mineralization, and alteration in the Tortolita Mountains quadrangle, Arizona},
  author = {Norman G. Banks and R. D. Dockter and Joseph A. Briskey},
  year = {1976},
  doi = {10.3133/ofr76764},
  url = {https://pubs.usgs.gov/publication/ofr76764},
  note = {Source identifier: ofr76764}
}