@misc{indiciaeaa052dbaf877,
  title = {Geology of Joshua Tree National Park geodatabase},
  author = {Robert E. Powell and Jonathan C. Matti and Pamela M. Cossette},
  year = {2015},
  doi = {10.3133/ofr20151175},
  url = {https://pubs.usgs.gov/publication/ofr20151175},
  note = {Source identifier: ofr20151175}
}