The David Donovan Collection on Hydrology and Geology (1911-2011) is comprised of the research collected by former Las Vegas Valley Water District employee, David Donovan, about groundwater, hydrology, minerals, and geology in Nevada, as well as the surrounding areas of California, Arizona, and Utah. Included are reports, professional papers, maps, and books.

Oral history interview with Willis Clark Evans conducted by Bernard Timberg on February 5, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Evans discusses his father, Native American archaeologist Willis Lyman Evans, his mother, Jessie Dave Evans, his uncle, Henry "Hank" Dave as he recounts his upbringing and family history. He shares memories of family trips around the United States, hunting trips, learning traditional crafts from his father, finding artifacts, and visiting Richard "Chick" Perkins at the Lost City Museum. He also recounts stories about his mother and her Shoshone family, including stories about his uncle's experiences as a ranch worker in Northern Nevada.

Oral history interview with Robert B. Griffith conducted by Bernard Timberg on March 06, 1974 for the UNLV University Libraries Oral History Collection. In this interview, Griffith talks about living in Las Vegas, Nevada since the early 1900s. He describes the recreational activities he would participate in, the Huntridge Theater, desegregation, and the development of hotels and casinos on the Strip.

Roundtable discussion with Michael Baker, Angela Kallus, Billy Logan, Jacqueline Maloy, Todd Jones, JoNell Thomas, Sarah Haggerty, Gregory S. Brown, and Dayvid Figler conducted by Claytee D. White on January 22, 2011 for the Voices of the Historic John S. Park Neighborhood Oral History Project. In this roundtable discussion, participants talk about their decision to move into the John S. Park neighborhood. The group describes the houses in the area during the early 2000s, changes in the house designs, and crimes in the area. Lastly, the participants talk about the gentrification of the area.

Oral history interview with Harriet Barlow conducted by Elsha Harris-Tolanda on April 27, 2015 for the African Americans in Las Vegas: a Collaborative Oral History Project. In this interview, Barlow discusses her personal history and growing up in Robbins, Illinois. She talks about her education, discrimination in schools, and the process of school integration. Barlow then recalls her first impressions of Las Vegas, Nevada and her employment at the University of Nevada, Las Vegas. Lastly, Barlow describes going through graduate school as an African American and explains why conversations about race relations can be difficult.

Oral history interview with Charles Roland conducted by Claytee D. White on August 16, 2012 for the African Americans in Las Vegas: a Collaborative Oral History Project. Roland begins by describing why his family moved to Las Vegas, Nevada in 1952 and attending Las Vegas High School. He discusses the African American community in Las Vegas, working in a restaurant called Sill's Drive-In, and his father, who opened the Hamburger Heaven restaurants. Roland also discusses race relations in Las Vegas prior to integration, the Binion family, and how Las Vegas has changed.

Oral history interview with Earl Stokes conducted by his son, William R. Stokes, on March 02, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Stokes discusses working in the moving and shipping industry of Las Vegas, Nevada. Stokes talks about the history of the companies he worked for, the condition of roads in Las Vegas during the 1960s, and who he moved materials for, including the Las Vegas Convention Center and Nellis Air Force Base. He continues, discussing life in Las Vegas, the Helldorado Parades, and how Las Vegas has changed.