@article{119577,
      recid = {119577},
      author = {Richardson, Claire A.},
      title = {Ground water in the Piedmont upland of central Maryland /},
      publisher = {U.S. Govt. Print. Off.,},
      address = {Washington :},
      pages = {iv, 42 p. :},
      year = {1982},
      url = {http://library.usi.edu/record/119577},
}