Antique Magna, Utah 1952 US Geological Survey Topographic。Map sets (Topographic, Road, Aeronautical)。Antique Sea Cliff, New York 1968 US Geological Survey。GISと関連技術を用いた地形分析の唯一の参考書。Terrain ruggedness and land cover: Improved data for most。Title:Terrain Analysis-Principles and ApplicationsEditors: John P. Wilson, John C. GallantPublisher: John Wiley & Sons,inc.