@article{270184,
      author = {Hansel, Ardith K. and Johnson, W. Hilton},
      url = {http://library.usi.edu/record/270184},
      title = {Wedron and Mason groups : lithostratigraphic  reclassification of deposits of the Wisconsin Episode, Lake  Michigan Lobe area /},
      publisher = {Illinois State Geological Survey,},
      recid = {270184},
      pages = {116 p. :},
      address = {Champaign, IL :},
      year = {1996},
}