@misc{indiciaed77f4b7dce7e,
  title = {Seismic imaging of extended crust with emphasis on the western United States: Discussion and reply},
  author = {Christopher J. Potter and Jill McCarthy and George A. Thompson},
  year = {1991},
  doi = {10.1130/0016-7606(1991)103<1537:sioecw>2.3.co;2},
  url = {https://pubs.usgs.gov/publication/70242953},
  note = {Source identifier: 70242953}
}