@article{227820,
      note = {Cover title.},
      author = {Long, Keith R.},
      url = {http://library.usi.edu/record/227820},
      title = {Grade and tonnage models for Coeur d'Alene-type  polymetallic veins [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,},
      recid = {227820},
      pages = {28 leaves :},
      address = {[Menlo Park, CA] :},
      year = {1998},
}