@misc{indiciaef0dc49008e84,
  title = {Geologic map of the Kieler quadrangle, Grant County, Wisconsin and Jo Daviess County, Illinois},
  author = {Jesse W. Whitlow and Walter S. West},
  year = {1966},
  doi = {10.3133/gq487},
  url = {https://pubs.usgs.gov/publication/gq487},
  note = {Source identifier: gq487}
}