@misc{indiciae3209b917fe62,
  title = {A Pleistocene diatomaceous clay and a pumiceous ash, Yolo County ( California).},
  author = {R. W. Page and G.L. Bertoldi},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/70010637},
  note = {Source identifier: 70010637}
}