@misc{indiciaed3d893065da7,
  title = {Principal facts for a gravity survey of Summer Lake KGRA, Oregon},
  author = {Donald L. Peterson and R. F. Meyer},
  year = {1976},
  doi = {10.3133/ofr76702a},
  url = {https://pubs.usgs.gov/publication/ofr76702A},
  note = {Source identifier: ofr76702A}
}