This layer shows a 500m resolution image of the world derived from the Blue Marble Next Generation April 2004 image (86400x43200 pixels). As the image was derived from MODIS satellite imagery during
These data are schematized with map symbols and others based on vector data of topographic map. There are two types of data available: (data1: geometrically corrected data) and (data2: raw image data)
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 Wor
