@article{101473,
      author = {Medaris, L. G.},
      url = {http://library.usi.edu/record/101473},
      title = {Early proterozoic geology of the Great Lakes region /},
      publisher = {Geological Society of America,},
      recid = {101473},
      pages = {v, 141 p. :},
      address = {Boulder, Colo. :},
      year = {1983},
}