@misc{indiciae2f169f1bee6b,
  title = {Transcontinental geophysical survey (35°-39° N) geologic map from 112° W longitude to the coast of California},
  author = {J. E. Carlson and Ronald Willden},
  year = {1968},
  doi = {10.3133/i532c},
  url = {https://pubs.usgs.gov/publication/i532C},
  note = {Source identifier: i532C}
}