@misc{indiciaeeac9d89ffb6a,
  title = {Availability of petrographic thin-section slides from Naval Petroleum Reserve No. 4, Supplement No. 1: South Barrow Test Well No. 2, South Barrow Test Well No. 4, Avak Test Well No. 1},
  author = {George Gryc and Irvin L. Tailleur},
  year = {1969},
  doi = {10.3133/ofr69114},
  url = {https://pubs.usgs.gov/publication/ofr69114},
  note = {Source identifier: ofr69114}
}