Panoramic photographs.
Malde
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Hal Malde has been a geologist with the US US Geological Survey, Federal Center, Denver, CO 80225, USA.
D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008433:Mathematics; D010781:Photography / Q000266:history / Q000379:methods*; D014785:Vision, Ocular; D014796:Visual Perception