@article{33649,
      author = {Kolata, Dennis R. and Treworgy, Janis D. and Masters, John  M.},
      url = {http://library.usi.edu/record/33649},
      title = {Structural framework of the Mississippi embayment of  Southern Illinois /},
      publisher = {Illinois State Geological Survey,},
      recid = {33649},
      pages = {iv, 38 p. :},
      address = {Champaign, Ill. :},
      year = {1981},
}