A770455 U12G HYDRA FRAC BILL VOLLENDORF(Project Engineer) FEB 22 77EG&G/NTS PHOTO LAB Publication Date: 2/22/1977 CRACKED; EDGERTON, GERMESHAUSEN & GRIER; EG&G; EVALUATION XC 4; FENCES; FENCES, CHAIN LINKED; G-TUNNEL; HYDRA FRAC; HYDRAULIC FRACTURE; MARKED; MARKINGS; NEVADA; NEVADA TEST SITE; NTS; NUCLEAR ENERGY TECHNOLOGY; SIGNS; TEST SITES; TUNNELS; TUNNELS BY USAGE; UGT; UNDERGROUND TESTING; VOLLENDORF, BILL 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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