Smithsonian Report, 1959—Roberts PLATE 1 
1. Scanning photometer on Fritz Peak, Colo., for measuring the intensity of airglow and its 
changes. (Photograph courtesy National Bureau of Standards Boulder Laboratories.) 
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2. Digging out at IGY Little America Station after the winter of 1957. The rawin tower 
dome is in the background. (Official U.S. Navy photograph.) 
