EG&G-327 (Report: CONFIDENTIAL) Edgerton, Germeshausen & Grier, Inc., l. Hardtack-- HARDTACK AEC PHOTO. 49p. I. Las Vegas, Nev, Oct. 29, 1957. _Photography _ Corp, Author N3 EG&G-331 (Report: SECRET) Card: UNCLASSIFIED Edgerton, Germeshausen & Grier, Inc., Las Vegas EG&G HARDTACK PHOTOGRAPHIC COVERAGE FOR THE AEC AND DOD. November 18, 1957, 52p. l. I, Il, Hardtack-Photography Corp. Author LV-03102 _ N4 aa 301