@article{17553,
      recid = {17553},
      author = {Bristol, Hubert Masters.},
      title = {Structure of the base of the Mississippian Beech Creek  (Barlow) limestone in Illinois.},
      address = {Urbana,},
      pages = {12 p. :},
      year = {1968},
      note = {Cover title.},
      url = {http://library.usi.edu/record/17553},
}