From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The sign says, "YOU ARE NOW ENTERING NEVADA TEST SITE NO TRESPASSING BY ORDER OF THE UNITED STATES DEPARTMENT OF ENERGY".
From the Homer Rissman Architectural Records (MS-00452). Written on the image: "Rissman and Rissman Associates 1011 Swarthmore Avenue Pacific Palisades California Gladstone 4-7519. Scale 1'-30'. Architects. Structural Engineer Harold L. Epstein 3324 Barham Blvd. Los Angeles, Calif. 90028 Hollywood 3-7121. Mechanical Engineer Ira Tepper & Associates 1147 So. Beverly Drive Los Angeles, Calif. 90035 Crestview 6-1736. Electrical Engineer J.L. Cusick & Associates 4219 Lankershim Blvd. North Hollywood, Cal. 91602 Triangle 7-6231. 3-4-67 Date. Hotel Bonanza of Las Vegas U.S. Highway #91 Las Vegas, Nevada 1st Additions. Site Plan Phase III. 2 drawing number".
The Edward G. Halligan Photograph Collection on the Nevada Test Site contains photographs of nuclear detonations at the Nevada Test Site from the 1960s. The photographs primarily depict aboveground nuclear explosions, but they also contain photographs of facilities, machinery, and personnel at the Nevada Test Site.