@article{110737,
      recid = {110737},
      author = {Smith, Christopher R.},
      title = {Directory of sand and gravel producers in Indiana /},
      publisher = {Indiana Geological Survey, Coal and Industrial Minerals  Section,},
      address = {Bloomington, Ind. :},
      pages = {46 leaves :},
      year = {1985},
      note = {"July 1985."},
      url = {http://library.usi.edu/record/110737},
}