@article{224505,
      recid = {224505},
      author = {Eckhart, J. Christopher.},
      title = {Shallow electromagnetic surveys of an abandoned bunker,  Denver Federal Center, Colorado /},
      publisher = {U.S. Geological Survey :},
      address = {Denver, Colo. :},
      pages = {6 leaves, 24 leaves of plates :},
      year = {1998},
      note = {Cover title.},
      url = {http://library.usi.edu/record/224505},
}