@misc{indiciae1ac6365744ae,
  title = {Database for the geologic map of the Snoqualmie Pass 30-minute by 60-minute quadrangle, Washington (I-2538)},
  author = {R. W. Tabor and V. A. Frizzell and D. B. Booth and R. B. Waitt},
  year = {2006},
  doi = {10.3133/ds186},
  url = {https://pubs.usgs.gov/publication/ds186},
  note = {Source identifier: ds186}
}