@misc{indiciae12bd38375d8f,
  title = {Mineral occurrence and drill-hole location map of the International Falls 1 degree by 2 degrees quadrangle, Minnesota and Ontario},
  author = {Terry L. Klein},
  year = {1989},
  doi = {10.3133/mf2082},
  url = {https://pubs.usgs.gov/publication/mf2082},
  note = {Source identifier: mf2082}
}