@misc{indiciae9b55be02e79d,
  title = {Aeromagnetic map of the Livermore area, central California},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1992},
  doi = {10.3133/ofr92531},
  url = {https://pubs.usgs.gov/publication/ofr92531},
  note = {Source identifier: ofr92531}
}