@article{219348,
      note = {Cover title.},
      author = {Seiler, R. L.},
      url = {http://library.usi.edu/record/219348},
      title = {Methods for identifying sources of nitrogen contamination  of ground water in valleys in Washoe County, Nevada  [microform] /},
      publisher = {U.S. Geological Survey ;},
      recid = {219348},
      pages = {iv, 20 p. :},
      address = {Carson City, Nev. :},
      year = {1996},
}