Oral history interview with Robert E. Lake conducted by A.D. Hopkins on September 27, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Lake discusses how the layout of Las Vegas, Nevada has changed since he first arrived there.

Oral history interview with Henry Zigtema conducted by Cheryl Stewart on February 27, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Zigtema shares personal stories regarding his arrival to Las Vegas, Nevada in 1929, and the development of the city.

Oral history interview with C. D. Williams conducted by Edwin R. Smith on July 07, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Williams discusses his career as a firefighter in Las Vegas, Nevada and the history of the Las Vegas Fire & Rescue Department. He describes his early history, moving to Las Vegas in 1942, and how he obtained his position in the Las Vegas Fire & Rescue Department. Williams also describes his training, the equipment they utilized, and how that equipment, as well as the fire department itself, has changed over time. He tells anecdotes of calls and his experiences in the department. Williams explains how the construction of the Basic Magnesium Plant and Nellis Air Force Base affected the fire department. He talks about how and why the Clark County Fire Department and North Las Vegas Fire Department were established, and how Las Vegas casinos paid the city for fire protection. Lastly, Williams discusses being drafted during World War II and his service as a military fire fighter.