@article{7922,
      author = {Williams, Garnett P.},
      url = {http://library.usi.edu/record/7922},
      title = {Washington, D.C.'s vanishing springs and waterways /},
      publisher = {U.S. Geological Survey, Branch of Technical Editing,},
      recid = {7922},
      pages = {19 p. :},
      address = {Denver :},
      year = {1977},
}