@misc{indiciae4b902ae1497c,
  title = {Availability of petrographic thin-sections of the Lisburne Group from northeastern Brooks Range, Alaska},
  author = {Augustus K. Armstrong},
  year = {1970},
  doi = {10.3133/ofr6912},
  url = {https://pubs.usgs.gov/publication/ofr6912},
  note = {Source identifier: ofr6912}
}