@misc{indiciae948ca81a78d9,
  title = {Support of the Southern California Geophysical Data and Analysis Center},
  author = {David G. Harkrider},
  year = {1980},
  doi = {10.3133/ofr81255},
  url = {https://pubs.usgs.gov/publication/ofr81255},
  note = {Source identifier: ofr81255}
}