@article{199885,
      note = {"92-283-B is diskette."},
      author = {Chaffee, Maurice A.},
      url = {http://library.usi.edu/record/199885},
      title = {Data for four drill holes, Kalamazoo porphyry copper  deposit, Pinal County, Arizona [microform] /},
      publisher = {U.S. Geological Survey ;},
      recid = {199885},
      pages = {50 leaves :},
      address = {Denver, Colo. :},
      year = {1992},
}