@article{199807,
      note = {Caption title.},
      url = {http://library.usi.edu/record/199807},
      title = {Acid rain and its effects on streamwater quality on  Catoctin Mountain, Maryland [microform]},
      publisher = {U.S. Geological Survey, Dept. of the Interior ;},
      recid = {199807},
      pages = {1 sheet :},
      address = {Towson, Md. :},
      year = {1992},
}