@article{216692,
      note = {Relief shown by contours.},
      author = {Kellogg, Karl S. and Williams, Van S.},
      url = {http://library.usi.edu/record/216692},
      title = {Geologic map of the Ennis 30ʹ x 60ʹ quadrangle, Madison  and Gallatin Counties, Montana /},
      publisher = {The Survey,},
      recid = {216692},
      pages = {1 map :},
      address = {[Reston, Va.?] :},
      year = {1998},
}