@misc{indiciae2dfdddbc0753,
  title = {Aeromagnetic and generalized geologic map of parts of central California},
  author = {M.C. Blake and Isidore Zietz and D. L. Daniels},
  year = {1978},
  doi = {10.3133/gp918},
  url = {https://pubs.usgs.gov/publication/gp918},
  note = {Source identifier: gp918}
}