@misc{indiciaee7363eeff1c7,
  title = {Aeromagnetic map of the Grayland quadrangle, Grays Harbor and Pacific Counties, Washington},
  author = {John R. Henderson and Natalie S. Tyson and E.F. McGowan},
  year = {1958},
  doi = {10.3133/gp176},
  url = {https://pubs.usgs.gov/publication/gp176},
  note = {Source identifier: gp176}
}