@misc{indiciaeb660bb5bb40a,
  title = {Quaternary geologic map of the Minneapolis 4 degrees x 6 degrees quadrangle, United States},
  author = {David S. Fullerton and Joseph E. Goebel and David M. Mickelson and William R. Farrand and Lee Clayton and James C. Knox and Adam Cahow and Howard C. Hobbs and Matt S. Walton},
  year = {1983},
  doi = {10.3133/i1420(nl15)},
  url = {https://pubs.usgs.gov/publication/i1420(NL15)},
  note = {Source identifier: i1420(NL15)}
}