@article{263406,
      note = {"Supersedes Open-file report 89-44."},
      author = {Blackwell, Cassandra D.},
      url = {http://library.usi.edu/record/263406},
      title = {Directory of member organizations of the National Water  Data Exchange (NAWDEX) [microform] /},
      publisher = {U.S. Geological Survey,},
      recid = {263406},
      pages = {x, 81 p. ;},
      address = {Reston, Va. :},
      year = {1990},
}