@misc{indiciaea1bec2cc457e,
  title = {New geologic mapping of the northwestern Willamette Valley, Oregon, and its American Viticultural Areas (AVAs)—A foundation for understanding their terroir},
  author = {Ray E. Wells and Ralph A. Haugerud and Alan Niem and Wendy Niem and Lina Ma and Ian Madin and Russell C. Evarts},
  year = {2018},
  doi = {10.3133/ofr20181044},
  url = {https://pubs.usgs.gov/publication/ofr20181044},
  note = {Source identifier: ofr20181044}
}