On January 8, 1975, collector James M. Greene interviewed John D. Gieck (born January 1st, 1902 in Belle, Missouri) at his home in Boulder City, Nevada. In this interview Mr. Gieck discusses his various career changes throughout his life, including the building of Hoover Dam (Boulder Dam). He also discusses living in Boulder City from its beginnings as a town.

On March 19, 1978, Marcela Yepes interviewed Richard Erbe (born 1922 in El Monte, California) about his experiences in Las Vegas, Nevada and specifically about his career in education. Erbe first talks about his family background and German ancestry before describing how he ended up moving to Nevada. He then describes his wife’s father’s background in the gaming industry and some of the early illicit casinos that existed in California. The interview shifts to Erbe’s educational background, his first teaching position as a fifth grade teacher, his experience in the military, and his reasoning for not seeking employment in the gaming industry. The two also discuss church activity, politics, and social activities in Las Vegas. The latter part of the interview includes Erbe’s viewpoints on the issues in the educational system, his experiences as a principal at multiple Clark County schools, and some of the challenges he encountered in the administrative side in the field of education.