@article{197031,
      note = {Distributed to depository libraries in microfiche.},
      author = {Smith, William K.},
      url = {http://library.usi.edu/record/197031},
      title = {Photogrammetric determination of movement on the  Slumgullion Slide, Hinsdale County, Colorado 1985 - 1990  [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :},
      recid = {197031},
      pages = {17 leaves :},
      address = {[Denver, Colo.?] :},
      year = {1993},
}