@misc{indiciaee44d156aca12,
  title = {Aeromagnetic map of the Pe Ell quadrangle, Pacific and Lewis Counties, Washington},
  author = {John R. Henderson and Natalie S. Tyson and E.F. McGowan},
  year = {1958},
  doi = {10.3133/gp186},
  url = {https://pubs.usgs.gov/publication/gp186},
  note = {Source identifier: gp186}
}