@article{159829,
      recid = {159829},
      author = {Duwelius, Richard F. and Silcox, Cheryl A.},
      title = {Ground-water levels, flow, and quality in northwestern  Elkhart County, Indiana, 1980-89 /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      address = {Indianapolis, Ind. :},
      pages = {v, 66 p. :},
      year = {1991},
      note = {Shipping list no.: 92-216-P.},
      url = {http://library.usi.edu/record/159829},
}