A800424 U12G FRACTURE STUDY JOHNSTONE (Project Engineer) APR 9 80 EG&G/NTS PHOTO LAB Publication Date: 4/9/1980 EDGERTON, GERMESHAUSEN & GRIER; EG&G; FRACTURE STUDY; FRACTURE TOUGHNESS; G-TUNNEL; NEVADA; NEVADA TEST SITE; NTS; NUCLEAR ENERGY TECHNOLOGY; NUCLEAR EXPLOSIONS; TEST SITES; TUNNELS; TUNNELS BY USAGE; 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.

---

Size: 3001px × 2406px
Photo credit: © NB/DeptComm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: