@misc{indiciae279cad75098e,
  title = {Geologic map of the Talkeetna Quadrangle, Alaska},
  author = {B.L. Reed and S.W. Nelson},
  year = {1977},
  doi = {10.3133/mf870a},
  url = {https://pubs.usgs.gov/publication/mf870A},
  note = {Source identifier: mf870A}
}