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
Collection of digitised topographic maps over Queensland at various scales 1886-2012, which show graphic representations of features including relief, hydrography, vegetation, and cultural. The qualit
