@misc{indiciaeeff7b245867a,
  title = {A typical cross section based on magnetic data of lower and middle Keweenawan volcanic rocks, Ironwood area, Michigan},
  author = {Elizabeth R. King},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/70156572},
  note = {Source identifier: 70156572}
}