@article{229631,
      author = {Yeend, Warren E., and Shawe, Daniel R., and Wier, Kenneth  L.},
      url = {http://library.usi.edu/record/229631},
      title = {Gold in placer deposits.},
      publisher = {U.S. G.P.O.,},
      recid = {229631},
      pages = {iv, 19 p. :},
      address = {Washington :},
      year = {1990},
}