@article{175583,
      author = {Pearson, Robert Carl,},
      url = {http://library.usi.edu/record/175583},
      title = {Cambrian(?), Middle Proterozoic, and Archean rocks  penetrated in a borehole near Argenta, Beaverhead County,  Montana, and some paleogeographic and structural  implications /},
      publisher = {U.S. G.P.O.,},
      recid = {175583},
      pages = {iii, 15 p. :},
      address = {Washington, D.C. :},
      year = {1996},
}