@misc{indiciae984bc03f2ff2,
  title = {The four Jurassic belts of northern California and their significance to the geology of the southern California borderland},
  author = {D. L. Jones and M. Clark Blake and C. Rangin},
  year = {1976},
  url = {https://pubs.usgs.gov/publication/70197659},
  note = {Source identifier: 70197659}
}