@misc{indiciae6827b0fd698f,
  title = {Geologic and aeromagnetic maps and mineral resource potential survey of the Blackjack Springs Wilderness, Vilas County, Wisconsin},
  author = {Klaus J. Schulz},
  year = {1983},
  doi = {10.3133/mf1592},
  url = {https://pubs.usgs.gov/publication/mf1592},
  note = {Source identifier: mf1592}
}