@misc{indiciaec91513f4dd10,
  title = {Mineral resource potential map of the Cucamonga Roadless Areas, San Bernardino County, California},
  author = {D. M. Morton and Eduardo A. Rodriguez and Curtis M. Obi and R.W. Simpson and T. J. Peters},
  year = {1983},
  doi = {10.3133/mf1646a},
  url = {https://pubs.usgs.gov/publication/mf1646A},
  note = {Source identifier: mf1646A}
}