Oral history interview with Morgan J. Sweeny conducted by James M. Greene on September 20, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. Sweeny discusses Boulder City, Nevada and the Boulder (Hoover) Dam.

The Jamey Stillings Photograph Collection (2009-2019) is primarily comprised of photographs taken by professional photographer, Jamey Stillings, of the Mike O’Callaghan-Pat Tillman Memorial Bridge and the Hoover Dam project, the Ivanpah Solar Electric Generating System project, and the Crescent Dunes Solar project. The Mike O’Callaghan-Pat Tillman Memorial Bridge and the Hoover Dam project depict the construction of the Mike O’Callaghan-Pat Tillman Memorial Bridge from 2009 to 2012. The Ivanpah Solar Electric Generating System project depict aerial views of Ivanpah Solar in the Mojave Desert of California from 2010 to 2014. The Crescent Dunes Solar project consists of a range of aerial and ground-based work documenting SolarReserve's Crescent Dunes Solar, a 110MW concentrated solar plant with molten salt storage near Tonopah, Nevada, from 2014 to 2015.

Oral history interview with Robert Griffith conducted by Jerry Gatch on March 19, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Griffith discusses arriving to Las Vegas, Nevada, and the development of railroads throughout Southern Nevada. He later talks about the first casinos, hotels, and the construction of Boulder (Hoover) Dam.

Oral history interview with Neil H. Holmes conducted by Laura Bell on February 12, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Holmes covers the construction of Boulder (Hoover) Dam and Las Vegas, Nevada’s living conditions in 1931.

The Robert Woodruff Photograph Collection (1900s-1970s) consists of ninety-seven black-and-white photographs of locations and events in Clark County, Nevada. Locations include Las Vegas, Henderson, and Searchlight, Nevada, as well as the Hoover Dam. The majority of the images were taken between 1934 and 1962.

Oral history interview with Edgar Fountain conducted by Julia Bragg on February 26, 1973 for the Ralph Roske Oral History Project on Early Las Vegas. Fountain discusses his career, the Boulder (Hoover) Dam, and the Democratic Party.

Oral history interview with Louise LeClair conducted by Dennis Luppens on March 21, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, LeClair talks about her family history in Nevada, and the flu epidemic of 1918. She specifically talks about Boulder (Hoover) Dam, Eldorado Fair, and how Las Vegas, Nevada has grown.