Oral history interview with Alfred Isola conducted by Stephen Kalish on March 15, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Isola discusses Las Vegas, Nevada’s lack of a unified garbage system and how dumping sites have had to adjust their practices in order to limit their impact on pollution. Isola also explains the different disposal protocols for wet and dry trash.

Oral history interview with Joseph Kine conducted by Eileen Reedy on February 14, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Kine discusses Boulder City, Nevada and the Boulder (Hoover) Dam.

Oral history interview with Robert Ambrose conducted by David G. Schwartz on September 28, 2016 for the Slot Operations Oral History Project. Ambrose discusses the various positions he held at Tropicana Atlantic City and some of the mentors he has had throughout his career. He then provides his opinions on the technical changes of slot operations, the use of free play, and eSports.

Oral history interview with Randy Gangwer conducted by Thomas Hardy on May 17, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Gangwer discusses the importance of gambling, above ground atomic tests, and Southern Nevada’s economic, environmental, and social changes.