@article{67542,
      recid = {67542},
      author = {Droste, John Brown, and Abdulkareem, Talal F. and Patton,  John B.},
      title = {Stratigraphy of the Ancell and Black River groups  (Ordovician) in Indiana /},
      publisher = {Indiana Dept. of Natural Resources, Geological Survey,},
      address = {Bloomington, Ind. :},
      pages = {15 p. :},
      year = {1982},
      url = {http://library.usi.edu/record/67542},
}