@misc{indiciae8920911eb7ac,
  title = {Transcontinental geophysical survey (35°-39° N) seismic refraction profiles of the crust and upper mantle from 112° W longitude to the coast of California},
  author = {D. H. Warren},
  year = {1968},
  doi = {10.3133/i532d},
  url = {https://pubs.usgs.gov/publication/i532D},
  note = {Source identifier: i532D}
}