@article{218575,
      note = {Cover title.},
      author = {Oliver, Howard W. and Christiansen, Robert L.},
      url = {http://library.usi.edu/record/218575},
      title = {Locations, descriptions, densities, and magnetic  susceptibilities of rock samples collected for analyses of  gravity and aeromagnetic anomalies in Yellowstone National  Park, Wyoming, Idaho, and Montana [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,},
      recid = {218575},
      pages = {15 leaves :},
      address = {[Menlo Park, CA] :},
      year = {1998},
}