@article{200768,
      note = {"Regional Aquifer-System Analysis."},
      author = {Shelton, L. R. and Miller, L. K.},
      url = {http://library.usi.edu/record/200768},
      title = {Water-quality data, San Joaquin Valley, California, April  1987 to September 1988 [microform] /},
      publisher = {U.S. Geological Survey ;},
      recid = {200768},
      pages = {iv, 189 p. :},
      address = {Sacramento, Calif. :},
      year = {1991},
}