@misc{indiciaea2ec5612e31f,
  title = {Preliminary geologic map of the Dolph quadrangle, Lincoln, Tillamook, and Yamhill counties, Oregon},
  author = {Parke Detweiler Snavely and Norman S. MacLeod and Diane L. Minasian},
  year = {1991},
  doi = {10.3133/ofr91277},
  url = {https://pubs.usgs.gov/publication/ofr91277},
  note = {Source identifier: ofr91277}
}