This is an image of a 1995 infrared aerial photo of Lyndon B. Johnson (LBJ) Ranch in Gillespie County. Infrared (IR) emulsion is sensitive to wavelengths that fall outside the range of human vision. IR film is commonly used to produce color-infrared photos. IR imagery uses false color, since we can’t really see the wavelengths recorded on infrared film. Features that may have similar shades of grey in black and white aerial photos will be much more distinguishable with IR film.
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