@article{327420,
      recid = {327420},
      author = {Elkinton, Steven. and Caproni, Linnea. and Hoeflschweiger,  Janelle.},
      title = {The National Trails System : a grand experiment /},
      publisher = {National Park Service, U.S. Dept. of the Interior,},
      address = {Washington, D.C. :},
      pages = {ii, 50 p. :},
      year = {2008},
      note = {Shipping list no.: 2009-0140-P.},
      url = {http://library.usi.edu/record/327420},
}