@misc{indiciae3997080e10f7,
  title = {Geologic map of the Maltby Quadrangle, Snohomish and King counties, Washington},
  author = {J. P. Minard},
  year = {1985},
  doi = {10.3133/mf1746},
  url = {https://pubs.usgs.gov/publication/mf1746},
  note = {Source identifier: mf1746}
}