@misc{indiciae9f7d7dcf2134,
  title = {Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska},
  author = {Richard D. Koch},
  year = {1996},
  doi = {10.3133/ofr81728a},
  url = {https://pubs.usgs.gov/publication/ofr81728A},
  note = {Source identifier: ofr81728A}
}