@misc{indiciae9362eb8a0822,
  title = {Crustal structure in the western United States; study of seismic propagation paths and regional traveltimes in the California-Nevada region},
  author = {J. C. Roller and W. H. Jackson and J.F. Cooper and B.A. Martina},
  year = {1963},
  doi = {10.3133/70039283},
  url = {https://pubs.usgs.gov/publication/70039283},
  note = {Source identifier: 70039283}
}