@misc{indiciaedcf277bfa39d,
  title = {Geologic map of Vashon and Maury Islands, King County, Washington},
  author = {D. B. Booth},
  year = {1991},
  doi = {10.3133/mf2161},
  url = {https://pubs.usgs.gov/publication/mf2161},
  note = {Source identifier: mf2161}
}