@misc{indiciae580f39129c7e,
  title = {Geologic map of the Snohomish Quadrangle, Snohomish County, Washington},
  author = {J. P. Minard},
  year = {1985},
  doi = {10.3133/mf1745},
  url = {https://pubs.usgs.gov/publication/mf1745},
  note = {Source identifier: mf1745}
}