Oral history interview with Erick Spiess conducted by Gretchen Spiess on June 29, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Spiess discusses the history of the Nevada Test Site, and briefly discusses Las Vegas, Nevada history. Spiess describes his career as the technical liaison at the Nevada Test Site working for EG & G, Inc. and the research performed there, including the model town built to observe the effects of a nuclear weapon on an urban area. Spiess goes on to discuss how Las Vegas residents reacted to the testing, and how Las Vegas has changed.

Oral history interview with Loretta K. Wait conducted by Brian Nicoll on March 10, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Wait discusses her personal history and the life of her father, Oscar G. Logan. Wait begins by describing her father's move to Nevada after serving in the military in the early twentieth century, Logan meeting his wife in Tonopah, Nevada, and how he worked at the ammunition storage depot in Hawthorne, Nevada as a carpenter. She then describes his eventual move to Las Vegas, Nevada and his carpentry work on the Hoover Dam (Boulder Dam). Wait continues, listing her father's business partnerships and other construction projects he was involved in. She concludes by talking about life in Las Vegas, her education, working at the Nevada Test Site, and observing an unidentified flying object.

Oral history interview with Ward W. Wengert conducted by Robert D. Myles on March 01, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Wengert discusses his personal history and Las Vegas, Nevada history. Wengert describes living in Las Vegas, observing the nuclear tests, and economic and environmental changes of Las Vegas. Wengert also discusses how Las Vegas has developed and changed, and flooding in Nevada.

Oral history interview with Jesma and Carlyle Wilcox conducted by Sally Griffis on February 19, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Jesma Wilcox begins by describing her family ranch, how her father leased the property to tenants, and what it was like living without air conditioning and refrigeration. She describes using a nearby stream as a water source, recreational activities, and the Mormon settlers and missionaries who first settled on the ranch. Wilcox talks about her religious involvement with the Mormon Church and life in Las Vegas, Nevada during the mid-twentieth century, as well as how Las Vegas has changed. Wilcox, with her husband Carlyle, also discusses the history of the nuclear weapons tests. Carlyle then describes the construction of the Basic Magnesium Plant in Henderson, Nevada.

The George Knox Roth Collection (1959-1980) consists of newspaper clippings (including photocopies), magazine articles, newsletters, technical reports and publications, correspondence, notes, and photographs relating to the Atomic Energy Commission, the environmental impact of nuclear testing in Nevada, Nevada mining, Airwest and the Hughes Airport, and other aspects of Howard Hughes’ Nevada operations. The George Knox Roth Collection also includes correspondence and expense reports related to his own company, General Research Consultants.

The Sierra Club Toiyabe Chapter Records (1951 to 2021) are composed of files from Sierra Club officers and environmental activists in the Southern Nevada (formerly Las Vegas) Group of the Toiyabe Chapter. The collection documents the involvement of the Southern Nevada group in a variety of environmental concerns, such as air quality, transportation, urbanization, and nuclear issues, in which the chapter has expressed interest. The records are comprised of correspondence, memoranda, meeting minutes and agendas, newspapers, magazines, newsletters, pamphlets, press releases, legislation, recommendations, resolutions, and general information. Due to the group’s location in the heart of the Mojave Desert, the collection provides excellent case studies of significant changes in the post-World War II American environmental movement, notably the increased recognition of the worth of desert lands.

The Greenpeace Pacific Southwest Records are comprised of files and documents pertaining to environmental activism in Southern Nevada from 1962 to 1994, primarily addressing the organization of protests at the Nevada Test Site. The collection contains newspaper articles, newsletters, publications, financial records, protest information, correspondence, meeting minutes, articles of incorporation, Freedom of Information Act requests, and Nevada Test Site information. Also contained in the collection are maps and documents related to various environmental issues such as nuclear waste, land use, wildlife protection, and international environmental activism.