@misc{indiciaecb69d3aebfff,
  title = {Geologic map of the Vashon 7.5' quadrangle and selected areas, King County, Washington},
  author = {Derek B. Booth and Kathy Goetz Troost and Rowland W. Tabor},
  year = {2015},
  doi = {10.3133/sim3328},
  url = {https://pubs.usgs.gov/publication/sim3328},
  note = {Source identifier: sim3328}
}