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Floyd Risvold on left, Lt. Charles Pierce pointing "gun", and George Blair
recording angle observations.
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Image ID: cgs00408, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: California, South of San Simeon
Photo Date: 1932
Photographer: Mr. Floyd Risvold, USC&GS
Category: Observing Triangulation/
• High Resolution Photo Available
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