@misc{indiciae7ea2a4f32f3d,
  title = {Magnetic stratigraphy of the lower middle Eocene (type Ulatsian) Vacaville Shale, Solano County, California},
  author = {D.R. Prothero and E. E. Brabb},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/70206700},
  note = {Source identifier: 70206700}
}