@article{4677,
      note = {Cover title.},
      author = {Howard, Richard Henry.},
      url = {http://library.usi.edu/record/4677},
      title = {Oil and gas pay maps of Illinois.},
      recid = {4677},
      pages = {64 p. :},
      address = {Urbana,},
      year = {1967},
}