@misc{indiciae6e096d1c7044,
  title = {Bedrock geologic map of the Port Townsend 30- by 60-minute Quadrangle, Puget Sound region, Washington},
  author = {J. T. Whetten and P.I. Carroll and H. D. Gower and E. H. Brown and Fred Pessl},
  year = {1988},
  doi = {10.3133/i1198g},
  url = {https://pubs.usgs.gov/publication/i1198G},
  note = {Source identifier: i1198G}
}