@misc{indiciaec151933949bf,
  title = {Reconnaissance of the geology and ground-water resources in the Aurora area, St. Louis county, Minnesota},
  author = {Robert W. Maclay},
  year = {1966},
  doi = {10.3133/wsp1809u},
  url = {https://pubs.usgs.gov/publication/wsp1809U},
  note = {Source identifier: wsp1809U}
}