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 Joseph Kine conducted by James Greene on December 19, 1974 for the Ralph Roske Oral History Project on Early Las Vegas. This interview covers the early days of Boulder City, Nevada from the perspective of an old-timer. Mrs. Kine is also present during the interview. They discuss education, home, and family life, in Boulder City.

Oral history interview with Ethel S. Hatch conducted by P. Kohlman on November 24, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. This interview covers the history of Las Vegas from 1939 to 1975. Mrs. Hatch also talks about ranching in Nevada, Rex Bell, development on the Strip, the first hotels, and early local shopping culture. The interview concludes with discussion surrounding tree-lined streets, the Helldorado Club, and Fremont Street.

Oral history interview with Jacqueline MacFarlane conducted by Claytee D. White on February 04, 2010 for the Boyer Early Las Vegas Oral History Project. In this interview Jacqueline MacFarlane discusses her early childhood in Las Vegas, Nevada, her move to rural Nevada because of the Great Depression, her move back to Las Vegas, and meeting her husband David MacFarlane, an Air Force Cadet, at the Nellis Air force Base. She then discusses family life, Las Vegas in the 1950s and 1960s, and the various jobs she held on the Las Vegas Strip.