@article{19608,
      author = {Patton, John B. and Perry, Thomas G. and Wayne, William  J.},
      url = {http://library.usi.edu/record/19608},
      title = {Ordovician stratigraphy, and the physiography of part of  Southeastern Indiana /},
      publisher = {Indiana Dept. of Conservation, Geological Survey,},
      recid = {19608},
      pages = {29 leaves, [4] leaves of plates :},
      address = {Bloomington :},
      year = {1953},
}