@misc{indiciae9ae6bafc1b5c,
  title = {Preliminary geologic map of the Maxwelton Quadrangle, Island County, Washington},
  author = {David P. Dethier and S. A. Safioles and James P. Minard},
  year = {1981},
  doi = {10.3133/ofr82192},
  url = {https://pubs.usgs.gov/publication/ofr82192},
  note = {Source identifier: ofr82192}
}