@misc{indiciae8394d6a75c3b,
  title = {Reconnaissance Quaternary geology map of the International Falls 1° x 2° quadrangle},
  author = {Robert Horton and G. N. Meyer and A. J. Bajc},
  year = {1989},
  doi = {10.3133/ofr89654},
  url = {https://pubs.usgs.gov/publication/ofr89654},
  note = {Source identifier: ofr89654}
}