@misc{indiciae0c7826fdda3f,
  title = {Reconnaissance geologic map of the Tanacross quadrangle, Alaska},
  author = {Helen Laura Foster},
  year = {1968},
  doi = {10.3133/ofr68102},
  url = {https://pubs.usgs.gov/publication/ofr68102},
  note = {Source identifier: ofr68102}
}