@misc{indiciaefc1251d41f0f,
  title = {Geologic map of the Topock 7.5’ quadrangle, Arizona and California},
  author = {Keith A. Howard and Barbara E. John and Jane E. Nielson and Julia M. G. Miller and Joseph L. Wooden},
  year = {2013},
  doi = {10.3133/sim3236},
  url = {https://pubs.usgs.gov/publication/sim3236},
  note = {Source identifier: sim3236}
}