@misc{indiciae008902642f40,
  title = {Gravity maps of the State of Washington and adjacent areas (scale 1:250,000)},
  author = {Carol A. Finn and W.M. Phillips and D.L. Williams},
  year = {1984},
  doi = {10.3133/ofr84416},
  url = {https://pubs.usgs.gov/publication/ofr84416},
  note = {Source identifier: ofr84416}
}