@article{,
      recid = {117049},
      title = {Environmental assessment for a development concept plan :  east unit campground, Indiana Dunes National Lakeshore,  Indiana.},
      publisher = {U.S. Dept. of the Interior, National Park Service,},
      address = {[Washington, D.C.?] :},
      number = {NPS D-72},
      pages = {vi, 37, [1] p. :},
      year = {1987},
      note = {"July 1987"-- p. [38].},
      url = {http://library.usi.edu/record/117049},
}