A800405 U12G MULTI FRAC GF-4 MINEBACK FINLEY (Project Engineer) MAR 18 80 EG&G/NTS PHOTO LAB Publication Date: 3/18/1980 EDGERTON, GERMESHAUSEN & GRIER; EG&G; G-TUNNEL; GF-4; GF-4 MINEBACK; HOLES; HOLES (IN THE GROUND); MARKED; MARKINGS; MINES, LAND (WEAPON); MULTI FRAC; NEVADA; NEVADA TEST SITE; NTS; NUCLEAR ENERGY TECHNOLOGY; NUCLEAR EXPLOSIONS; SIGNS; TEST SITES; UGT; UNDERGROUND; UNDERGROUND TESTING 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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