@article{197526,
      note = {Relief shown by contours and spot heights.},
      author = {Du Bray, E. A. and Pallister, John S.},
      url = {http://library.usi.edu/record/197526},
      title = {Geologic map of the Chiricahua National Mounment, Cochise  County, Arizona, with digital geologic map data [microform]  /},
      publisher = {The Survey ;},
      recid = {197526},
      pages = {1 map.},
      address = {[Reston, Va.] :},
      year = {1993},
}