@article{200066,
      note = {Distributed to depository libraries in microfiche.},
      author = {O'Brien, Grady M.},
      url = {http://library.usi.edu/record/200066},
      title = {Water levels in periodically measured wells in the Yucca  Mountain area, Nevada, 1989 [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :},
      recid = {200066},
      pages = {iv, 51 p. :},
      address = {Denver, CO :},
      year = {1991},
}