@misc{indiciae6b1de41e125c,
  title = {Geologic mapping in Alaska, U.S. Geological Survey, post 1930, scales 1:96,000 to 1:250,000},
  year = {1976},
  doi = {10.3133/ofr76551},
  url = {https://pubs.usgs.gov/publication/ofr76551},
  note = {Source identifier: ofr76551}
}