Photograph of the Skydiver, a thrill ride making its debut in the Million Dollar Midway at the 1966 State Fair of Texas in Dallas, Texas.

Aerial photograph of the Midway at the 1966 State Fair of Texas.

Photograph of dairy cows being shown. Written on the back of the photograph: "This class of Guernsey heifers is typical of the high quality pure breed dairy cattle to be exhibited at the 1966 Pan-American Livestock Exposition at the State Fair of Texas."

Photograph of the assembly line at Bell Helicopter. On the back is written: "Photo 273305. The newest member of the U.S. Army's air mobile force, the OH-58A light observation helicopter, rolls down the assembly line at Textron's Bell Helicopter company in Fort Worth, Texas. The first of 2,200 OH-58A's was delivered to the Army Friday (May 23). Accepting the five-place, turbine-powered helicopter which is named the "Kioa," was Maj. Gen. John Norton, commanding general of the U.S. Army Aviation Systems Command in St. Louis. Deliveries will continue through mid-1972. From: Public relations, Bell Helicopter (a Textron company), Box 482, Fort Worth, Texas 76101. Area code 817-280-2519."