Viewshed GeoTIFF for Lower Kutz

These are the "robust" viewsheds as calculated for Ruth M. Van Dyke, R. Kyle Bocinsky, Tucker Robinson, and Thomas C. Windes, Great houses, shrines, and high places: Intervisibility in the Chacoan World, American Antiquity 81, pp. 205–230 (2016).本数据集为针对Ruth M. Van Dyke、R. Kyle Bocinsky、Tucker Robinson及Thomas C. Windes发表于《美国古物》（American Antiquity）2016年第81卷第205至230页的论文《大型建筑、圣地与高地：查科世界中的互视性》所计算得到的“稳健可视域（robust viewsheds）”。