Henry Albert training an Ethiopian triangulation observing crew. Conducting magnetic observations. L. G. Burdine and first-order leveling crew. Lt. MacDonald completing first-order astronomic observations with Bamberg transit.
Image ID: cgs01415, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Africa, Ethiopia Photo Date: 1960 circa Credit: NOAA/NOS/National Geodetic Survey Category: Coast and Geodetic Survey/ • High Resolution Photo Available
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