@misc{indiciae91a3bd7eb6ee,
  title = {40Ar/39Ar age-spectrum data for whole rock basalts, and plagioclase and biotite from tephra; a traverse down the Porcupine River, east-central Alaska},
  author = {Michael J. Kunk and Henry Cortesini},
  year = {1992},
  doi = {10.3133/ofr92701},
  url = {https://pubs.usgs.gov/publication/ofr92701},
  note = {Source identifier: ofr92701}
}