@misc{indiciae523d28f90f45,
  title = {Stratigraphy and correlation of the glacial deposits of the Des Moines and james lobes and adjacent areas in North Dakota, South Dakota, Minnesota, and Iowa},
  author = {G.R. Hallberg and T.J. Kemmis},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/70014578},
  note = {Source identifier: 70014578}
}