@misc{indiciaeddd98fd2172a,
  title = {Paleomagnetism of some Lake Superior Keweenawan rocks},
  author = {Kenneth G. Books},
  year = {1972},
  doi = {10.3133/pp760},
  url = {https://pubs.usgs.gov/publication/pp760},
  note = {Source identifier: pp760}
}