@article{131046,
      author = {Droste, John Brown, and Carpenter, G. L.},
      url = {http://library.usi.edu/record/131046},
      title = {Subsurface stratigraphy of the Blue River Group  (Mississippian) in Indiana /},
      publisher = {State of Indiana, Dept. of Natural Resources, Geological  Survey :},
      recid = {131046},
      pages = {45 p. :},
      address = {Bloomington, Ind. :},
      year = {1990},
}