@misc{indiciaec25090d2e131,
  title = {Status of geologic mapping in Alaska, U.S. Geological Survey, scales 1:20,000 to 1:63,360},
  author = {Susan Bartsch-Winkler},
  year = {1980},
  doi = {10.3133/ofr80134},
  url = {https://pubs.usgs.gov/publication/ofr80134},
  note = {Source identifier: ofr80134}
}