@article{1408959,
      author = {Webb, Robert H. and Betancourt, Julio L. and Johnson, R.  Roy. and Turner, Raymond M. and Fontana, Bernard L.},
      url = {http://library.usi.edu/record/1408959},
      title = {Requiem for the Santa Cruz : An Environmental History of  an Arizona River.},
      recid = {1408959},
      pages = {1 online resource (297 pages).},
}