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A780235 U7AY TOPMAST TDR INSTALLATION MCKOWN(Project Engineer) MAR 3 78EG&G/NTS PHOTO LAB Publication Date: 3/3/1978 EDGERTON, GERMESHAUSEN & GRIER; EG&G; NEVADA; NEVADA TEST SITE; NTS; NUCLEAR ENERGY TECHNOLOGY; SHAFTS; TDR INSTALLATION; TEST SITES; TOPMAST; UGT; UNDERGROUND TESTING; WEAPONS RELATED; WIRE & CABLES; TDR INSTALLATION historical images. 1972 - 2012. Department of Energy. National Nuclear Security Administration. Photographs Related to Nuclear Weapons Testing at the Nevada Test Site.
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