@article{110924,
      note = {Cover title.},
      author = {Smith, William Henking, and Reinertsen, David L. and  Searight, T. K.},
      url = {http://library.usi.edu/record/110924},
      title = {Strippable coal reserves of Illinois.},
      publisher = {Illinois State Geological Survey,},
      recid = {110924},
      pages = {v.},
      address = {Urbana :},
      year = {1957},
}