@article{68108,
      recid = {68108},
      author = {Jacobson, R. J.},
      title = {Murphysboro coal, Jackson and Perry Counties : resources  with low to medium sulfur potential /},
      publisher = {Illinois State Geological Survey,},
      address = {Champaign, Ill. :},
      pages = {19 p. :},
      year = {1983},
      url = {http://library.usi.edu/record/68108},
}