@misc{indiciae0a18c41b2a8f,
  title = {Bedrock geologic map of the Ambler River quadrangle, Alaska},
  author = {Charles F. Mayfield and Irvin L. Tailleur},
  year = {1978},
  doi = {10.3133/ofr78120a},
  url = {https://pubs.usgs.gov/publication/ofr78120A},
  note = {Source identifier: ofr78120A}
}