@article{219453,
      recid = {219453},
      author = {McCartan, Lucy.},
      title = {Geologic map and cross sections of the Leonardtown 30 x  60-minute quadrangle, Maryland and Virginia [microform] /},
      publisher = {The Survey,},
      address = {[Reston, Va.?] :},
      pages = {1 map +},
      year = {1995},
      note = {Relief shown by contours.},
      url = {http://library.usi.edu/record/219453},
}