@misc{indiciae2266aa058ea0,
  title = {Aeromagnetic and Bouguer gravity map of Twin Sisters Dunite, northwestern Washington},
  author = {G. A. Thompson},
  year = {1973},
  doi = {10.3133/gp901},
  url = {https://pubs.usgs.gov/publication/gp901},
  note = {Source identifier: gp901}
}