@misc{indiciae3e62eee875d5,
  title = {Type region of the Ione Formation (Eocene), central California: Stratigraphy, paleogeography, and relation to auriferous gravels},
  author = {Scott Creely and Eric R. Force},
  year = {2007},
  doi = {10.3133/ofr20061378},
  url = {https://pubs.usgs.gov/publication/ofr20061378},
  note = {Source identifier: ofr20061378}
}