U.S. Department of Commerce news release: "Geodetic Survey Completes
Survey of Blue Nile River Basin in Africa"
Image ID: cgs01400, 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