@misc{indiciae7b718f1b2101,
  title = {Geologic map and database of the Chocolate Mountain Aerial Gunnery Range, Riverside and Imperial Counties, California},
  author = {Robert E. Powell and Robert J. Fleck and Pamela M. Cossette},
  year = {2018},
  doi = {10.3133/ofr20181191},
  url = {https://pubs.usgs.gov/publication/ofr20181191},
  note = {Source identifier: ofr20181191}
}