@misc{indiciae1832a2e37d6b,
  title = {Principal facts for gravity stations in the Spokane area, Washington},
  author = {R. F. Meyer and Dolores M. Wilson},
  year = {1975},
  doi = {10.3133/ofr75503},
  url = {https://pubs.usgs.gov/publication/ofr75503},
  note = {Source identifier: ofr75503}
}