@misc{indiciaec6069b4cc670,
  title = {Descriptions, sketch maps, and selected pictures of 87 gravity stations reoccupied after the San Fernando earthquake of February 9, 1971},
  author = {S. L. Robbins and R.B. Grannel and R.W. Alewine and Shawn Biehler and H. W. Oliver},
  year = {1973},
  doi = {10.3133/ofr73239},
  url = {https://pubs.usgs.gov/publication/ofr73239},
  note = {Source identifier: ofr73239}
}