@article{195544,
      note = {Distributed to depository libraries in microfiche.},
      author = {Shea-Albin, V. R.},
      url = {http://library.usi.edu/record/195544},
      title = {Geological features that contribute to ground control  problems in underground coal mines [microform] /},
      publisher = {U.S. Dept. of the Interior, Bureau of Mines,},
      recid = {195544},
      pages = {ii, 38 p. :},
      address = {Washington, DC :},
      year = {1993},
}