@article{219541,
      note = {Cover title.},
      author = {Bliss, James D. and Menzie, W. D.},
      url = {http://library.usi.edu/record/219541},
      title = {Preliminary grade and volume model of alluvial Sn-Au  placers /},
      publisher = {U.S. Geological Survey,},
      recid = {219541},
      pages = {14 leaves :},
      address = {[Menlo Park, CA] :},
      year = {1995},
}