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
Digitized index sheets and 38 photogrammetric scans of original aerial reel film from an aerial survey of Tillman County, Oklahoma taken March 20 & 22, 1937. Scale is 1:63,360. These photographs o
