@article{126433,
      author = {Harper, Denver.},
      url = {http://library.usi.edu/record/126433},
      title = {Coal mining in Sullivan County, Indiana /},
      publisher = {Indiana Dept. of Natural Resources,},
      recid = {126433},
      pages = {48 p. :},
      address = {Bloomington, Indiana :},
      year = {1988},
}