Oral history interview with Sonia Rivelli Jiavis conducted by Nathalie Martinez and Barbara Tabach on March 6, 2019 for the Latinx Voices of Southern Nevada Oral History Project. In this interview, Rivelli discusses her life including the evolution of her cultural background and her role in business. She describes how her parents moved to Brazil from Italy and how she has come to value her cultural roots in Brazil, Italy, and the United States. She mentions that travel was a major part of her life and that she has been to North America, South America, and Europe. One of Rivelli's accomplishments in her career was helping the development of the Brazilian community in Las Vegas, Nevada. She also states that she created the Aqua Diva Global water purification company in hopes of providing more safe and clean water to all people.

On March 1, 1979, John L. Bennett interviewed Dan Hill (born May 20, 1914 in Illinois) in his home at 2130 Walnut Road, Las Vegas, Nevada, about his memory of Southern Nevada. In addition to the collector and informant, there is an unidentified woman present during the interview. Hill explains that he originally came to Nevada in search of work. He briefly moved to Europe during the First World War where he served in the Army; at the end of the war, Hill returns to Las Vegas to work at the Nevada Test Site. Hill then goes in-depth about his experience as a worker at the Nevada Test Site and different mining sites that he had also worked at. The two briefly discuss the different sheriffs that had been in charge of Las Vegas, and how many people came to Las Vegas to work at the Henderson Magnesium Plant and Hoover Dam in addition to the Nevada Test Site.