@misc{indiciae4280988bb6bb,
  title = {Map showing outcrops of basaltic rocks of early Quaternary and Tertiary age, Basin and Range province, Southern California},
  author = {Kurt Roggensack and David A. Lopez},
  year = {1983},
  doi = {10.3133/wri834116g},
  url = {https://pubs.usgs.gov/publication/wri834116G},
  note = {Source identifier: wri834116G}
}