@article{184559,
      note = {Distributed to depository libraries in microfiche.},
      author = {Krohn, M. Dennis.},
      url = {http://library.usi.edu/record/184559},
      title = {Evaluation of near-infrared spectra for detecting ammonium  minerals at Shoshone Geyser Basin, Yellowstone National  Park, Wyoming [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      recid = {184559},
      pages = {6, [5] leaves :},
      address = {Reston, VA :},
      year = {1993},
}