@article{198462,
      note = {Chiefly tables.},
      author = {Dugas, Diana L. and Cravotta, Charles A., and Saad, David  A.},
      url = {http://library.usi.edu/record/198462},
      title = {Water-quality data for two surface coal mines reclaimed  with alkaline waste or urban sewage sludge, Clarion County,  Pennsylvania, May 1983 through November 1989 [microform] /},
      publisher = {U.S. Geological Survey ;},
      recid = {198462},
      pages = {iv, 153 p. :},
      address = {Lemoyne, Pa. :},
      year = {1993},
}