@misc{indiciae2afb3a979b4b,
  title = {Preliminary report on seismic-reflection studies of crustal structure in the western, central, and southern United States},
  author = {J. C. Roller and O.P. Strozier and W. H. Jackson and J. H. Healy},
  year = {1963},
  doi = {10.3133/70039537},
  url = {https://pubs.usgs.gov/publication/70039537},
  note = {Source identifier: 70039537}
}