@misc{indiciae49ef38480a97,
  title = {Reconnaissance geologic map of the Silver Reef Mountains Quadrangle, Pinal and Pima counties, Arizona},
  author = {P. M. Blacet and J. R. Berquist and S. T. Miller},
  year = {1978},
  doi = {10.3133/mf934},
  url = {https://pubs.usgs.gov/publication/mf934},
  note = {Source identifier: mf934}
}