@misc{indiciaef5fb75fad94f,
  title = {Geologic map of the Snoqualmie Pass 30 x 60 minute quadrangle, Washington},
  author = {R. W. Tabor and V. A. Frizzell and D. B. Booth and R. B. Waitt},
  year = {2000},
  doi = {10.3133/i2538},
  url = {https://pubs.usgs.gov/publication/i2538},
  note = {Source identifier: i2538}
}