@article{103733,
      note = {Three maps on folded sheets in pocket.},
      author = {Berg, Richard C.},
      url = {http://library.usi.edu/record/103733},
      title = {Potential for contamination of shallow aquifers in  Illinois /},
      publisher = {Illinois State Geological Survey,},
      recid = {103733},
      pages = {30 p. :},
      address = {Champaign :},
      year = {1984},
}