@misc{indiciaef8cf6e5c6d45,
  title = {Spatial digital database for the tectonic map of southeast Arizona},
  author = {Harald Drewes and Robert A. digital database by Fields and Douglas M. Hirschberg and Karen S. Bolm},
  year = {2002},
  doi = {10.3133/i1109},
  url = {https://pubs.usgs.gov/publication/i1109},
  note = {Source identifier: i1109}
}