@article{200513,
      note = {Relief shown by contours and spot heights.},
      author = {Gottfried, David. and Froelich, A. J. and Grossman, J. N.},
      url = {http://library.usi.edu/record/200513},
      title = {Geochemical data for Jurassic diabase associated with  early Mesozoic basins in the eastern United States  [microform] /},
      publisher = {U.S. Geological Survey ;},
      recid = {200513},
      pages = {8 maps ;},
      address = {[Reston, Va.] :},
      year = {1991},
}