@article{245206,
      note = {"Chapters A and B are issued as a single volume and are  not available separately."},
      author = {Tysdal, Russell G.},
      url = {http://library.usi.edu/record/245206},
      title = {Revision of Middle Proterozoic Yellowjacket Formation,  central Idaho, and revision of Cretaceous Slim Sam  Formation, Elkhorn mountains area, Montana /},
      publisher = {U.S. G.P.O.,},
      recid = {245206},
      pages = {1 v. (various pagings) :},
      address = {Washington, DC :},
      year = {1999},
}