Oral history interview with Marvelys Lopez Omaña conducted by Monserrath Hernandez and Barbara Tabach on February 21, 2020 for the Latinx Voices of Southern Nevada Oral History Project. In this interview, Marvelys Lopez discusses her childhood and growing up in Caracas, Venezuela, where her father owned a toy store. She attended an all-girls Catholic School and from a young age knew that she wanted to be a doctor. In 1993, at the age of seventeen, she was able to study abroad in the United States for one year and moved to Las Vegas, Nevada. She returned to Venezuela to attend medical school and while attending medical school she met her husband, who was studying to be a registered nurse at the time. Lopez Omaña recalls volunteering as a firefighter in Venezuela, and discusses the political change that happened in Venezuela during her last years in medical school. She moved to back Las Vegas with her husband in 2003 and began working as a caregiver. She recounts Her first son's birth story, and describes how she became a Certified Professional Midwife.

On March 4, 1980, Linda Voorvart interviewed former senior safety engineer and power plant operator, James M. Lancaster (born July 5th, 1911 in Trinidad, Colorado) in his home in Las Vegas, Nevada. Lancaster explains how he first came to Southern Nevada from Mexico and Cuba. Lancaster then goes on to explain his occupational history, and the different jobs that he held in Southern Nevada, specifically at the Nevada Test Site.