@article{320055,
      note = {"May 2007."},
      author = {Kempthorne, Dirk,},
      url = {http://library.usi.edu/record/320055},
      title = {The future of America's national parks : a report to the  President of the United States /},
      publisher = {U.S. Dept. of the Interior, National Park Service,},
      recid = {320055},
      pages = {1 v. (unpaged) :},
      address = {[Washington, D.C.] :},
      year = {2007},
}