@misc{indiciae003b8e0b018d,
  title = {Reconnaissance geologic map of the Big Delta A-2 and A-3 quadrangles, Alaska},
  author = {Florence R. Weber and Helen L. Foster and Terry E.C. Keith},
  year = {1977},
  doi = {10.3133/mf869},
  url = {https://pubs.usgs.gov/publication/mf869},
  note = {Source identifier: mf869}
}