@article{40492,
      note = {"August 1981."},
      author = {DuMontelle, Paul B.},
      url = {http://library.usi.edu/record/40492},
      title = {Mine subsidence in Illinois : facts for the homeowner  considering insurance /},
      publisher = {Illinois State Geological Survey,},
      recid = {40492},
      pages = {24 p. :},
      address = {Champaign, Ill. :},
      year = {1981},
}