@misc{indiciae170ea96da5f3,
  title = {Magnetostratigraphy of the San Francisco volcanic field, Arizona},
  author = {Kenneth L. Tanaka and T.C. Onstott and Eugene Merle Shoemaker},
  year = {1990},
  doi = {10.3133/b1929},
  url = {https://pubs.usgs.gov/publication/b1929},
  note = {Source identifier: b1929}
}