@misc{indiciae6dc4e3442200,
  title = {Hydrogeology of glacial drift, Mesabi Iron Range, northeastern Minnesota},
  author = {Thomas C. Winter},
  year = {1973},
  doi = {10.3133/wsp2029a},
  url = {https://pubs.usgs.gov/publication/wsp2029A},
  note = {Source identifier: wsp2029A}
}