@misc{indiciaeccf1a19ded3d,
  title = {Geologic interpretation of the aeromagnetic map of the Lebanon quadrangle, Linn and Marion Counties, Oregon},
  author = {R. W. Bromery},
  year = {1962},
  doi = {10.3133/gp212},
  url = {https://pubs.usgs.gov/publication/gp212},
  note = {Source identifier: gp212}
}