@misc{indiciaefb15549d6a93,
  title = {Compilation of 71 additional sonic and density logs from 59 oil test wells in the San Francisco Bay area, California},
  author = {C.A. Tiballi and T.M. Brocher},
  year = {1998},
  doi = {10.3133/ofr98615},
  url = {https://pubs.usgs.gov/publication/ofr98615},
  note = {Source identifier: ofr98615}
}