Aerial Photography

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Aerial photography is housed in the earth sciences & map library. Unlike maps, which portray the physical and cultural landscape with generalized symbols and colors, aerial photography reveals the terrain as it exists in nature. All buildings, bridges, roads, urban and rural areas, and other man-made features are depicted as they were at the time of photography.

Physical features, such as vegetation type and distribution, river widths and courses, shorelines, landslide areas, etc. Aerial photography is, therefore, extremely useful both for specific site evaluation and for regional analysis, as well as for historical perspectives. It is used by engineers, architects, city and regional planners, geographers, geologists and historians. The earth sciences & map library has over 80,000 images covering california and other selected areas. The majority of photos are 9 x 9 inch contact prints with stereographic coverage. ) for some flights, blackline enlargements or positive transparencies are available. Historical coverage is available for some areas from 1931 to the present. We have also acquired some aerial photography on cd-rom.