@misc{indiciae5f98cb643ca6,
  title = {Principal Facts of Gravity data in the Northern Willamette Valley and Vicinity, Northwestern Oregon and Southwestern Washington},
  author = {Robert L. Morin and Karen L. Wheeler and Darcy McPhee and Philip A. Dinterman and Janet T. Watt},
  year = {2007},
  doi = {10.3133/ofr20071058},
  url = {https://pubs.usgs.gov/publication/ofr20071058},
  note = {Source identifier: ofr20071058}
}