@misc{indiciaeecea86905034,
  title = {Availability of palynological material from Naval Petroleum Reserve No.4, XV: Skull Cliff Core Test No. 1},
  author = {Richard A. Scott},
  year = {1969},
  doi = {10.3133/ofr69247},
  url = {https://pubs.usgs.gov/publication/ofr69247},
  note = {Source identifier: ofr69247}
}