@misc{indiciaed0ad644e6f5a,
  title = {Surficial geologic map of the Port Townsend 30- by 60-minute Quadrangle, Puget Sound region, Washington},
  author = {Fred Pessl and D. P. Dethier and D. B. Booth and J. P. Minard},
  year = {1989},
  doi = {10.3133/i1198f},
  url = {https://pubs.usgs.gov/publication/i1198F},
  note = {Source identifier: i1198F}
}