@article{119931,
      recid = {119931},
      author = {Loelkes, George L.},
      title = {Land use/land cover and environmental photointerpretation  keys /},
      publisher = {U.S. Dept. of the Interior, Geological Survey,},
      address = {[Reston, Va.?] :},
      pages = {vii, 142 p. :},
      year = {1983},
      url = {http://library.usi.edu/record/119931},
}