@misc{indiciaef57f53de9566,
  title = {Potassium-argon determinations in the Ketchikan and Prince Rupert quadrangles, southeastern Alaska},
  author = {James G. Smith and Michael F. Diggles},
  year = {1981},
  doi = {10.3133/ofr7873n},
  url = {https://pubs.usgs.gov/publication/ofr7873N},
  note = {Source identifier: ofr7873N}
}