@misc{indiciae34ab82082537,
  title = {Seismic structure of the crust and uppermost mantle of North America and adjacent oceanic basins: A synthesis},
  author = {G.S. Chulick and Walter D. Mooney},
  year = {2002},
  doi = {10.1785/0120010188},
  url = {https://pubs.usgs.gov/publication/70024444},
  note = {Source identifier: 70024444}
}