@misc{indiciae3e7d6e22f7bb,
  title = {Geology of Seattle, a field trip},
  author = {Ralph A. Haugerud and Kathy Goetz Troost and William T. Laprade},
  year = {2017},
  doi = {10.1130/2017.0049(01)},
  url = {https://pubs.usgs.gov/publication/70198614},
  note = {Source identifier: 70198614}
}