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A820169 GEOPHONE SYSTEM PERMANENT GEOPHONE ARRAY BRADY (PROJECT ENGINEER) FEB 1 82 EG&G/NTS PHOTO LAB Publication Date: 2/1/1982 BOXES; EDGERTON, GERMESHAUSEN & GRIER; EG&G; EQUIPMENT & INSTRUMENTS; GEOPHONE SYSTEM; INSTRUMENTS & EQUIPMENT; NEVADA; NEVADA TEST SITE; NTS; NUCLEAR ENERGY TECHNOLOGY; NUCLEAR TESTING; NUCLEAR TESTS; PERMANENT GEOPHONE ARRAY; PHONES; TEST SITES; UGT; UNDERGROUND TESTING; WIRE & CABLES; WOODEN BOXES 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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