Oral history interview with Helen Mortenson conducted by Claytee D. White on May 06, 2014 for the Boyer Early Las Vegas Oral History Project. In this interview, Mortenson discusses Cygnus Scientific, a consultation firm specializing in nuclear, radiological, and environmental issues. She goes on to describe the Ice Age Park Foundation, managing her husband’s political campaign, and her archaeological pursuits. Later, Mortenson discusses her discovery of a Shasta ground sloth at Devils Peak, Nevada in 1990.

Oral history interview with Keith West conducted by David L. Snyder on March 12, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, West discusses the lumber industry in Southern Nevada. West also discusses Las Vegas, Nevada business, and residents, including Ed Von Tobel.

Oral history interview with Art Ham conducted by an unknown interviewer on April 24, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Art Ham discusses Las Vegas, Nevada business and law after World War II.

Oral history interview with Ruby Thomas conducted by Craig Hawkins on October 05, 1973 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Thomas discusses her career as a teacher in Las Vegas, Nevada and being member of the Retired Teachers Association. She then describes social and environmental changes, and the construction of Hoover Dam (Boulder Dam). Lastly, Thomas recalls the population growth and casino development in Las Vegas.

Oral history interview with John Wittwer conducted by Perry Kaufman on May 17, 1972 for the Ralph Roske Oral History Project on Early Las Vegas. Kaufman discusses living in Santa Clara, Utah and describes families from Switzerland migrating there as converts to the Latter-Day Saints Church.

Oral history interview with Alexander Nicholas conducted by Saleeh Sarwar Khan on February 24, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Nicholas discusses the increase in population in Las Vegas, Nevada and describes the type of crime that is most common in the city. Nicholas also describes the increase in pollution as more factories were built. Lastly, Nicholas discusses general changes in Las Vegas.

Oral history interview with Dr. Manuel Madrid conducted by Jose Perez on November 25, 2002 for the Public School Principalship Oral History Project. In this interview, Dr. Madrid reflects upon his experience as principal and superintendent in Arizona. He describes his approach to school administration, and how his philosophy of administration differs from his philosophy of teaching. He also discusses his working relationship with teachers, and compares his experiences as dean, principal, and superintendent.