The Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada depict the construction of the Hoover (Boulder) Dam and the development of Boulder City, Nevada from 1869 to 1974, with a bulk of the materials dating from 1929 to 1940. The photographs primarily depict the construction operations in Black Canyon, including digging tunnels, pouring concrete, building the power plant, and inspections by Bureau of Reclamation engineers. The photographs also depict Boulder City, including schools, workers, and dormitories. The collection also includes photographs of St. Thomas, Nevada, Lake Mead, Nelson’s Landing, Nevada, and an archaeological excavation near Lake Mohave, Nevada.

The Klai Juba Wald Architectural Records (2000-2020) are comprised primarily of digital architectural renderings for projects completed by Las Vegas, Nevada architecture and interior design firm Klai Juba Wald Architecture + Interiors. The collection is comprised of renderings for the firm's projects conducted mainly around Las Vegas, but also includes projects around the United States such as the Seminole Hard Rock Hotel and Casino in Florida and Rivers Casino in Illinois. Also included are master plans and presentation slides for projects like the Choctaw Casino in Oklahoma and Live! Casino & Hotel in Maryland. Master plans for projects in Las Vegas include the LINQ, Silverton Casino Hotel, and Hard Rock Las Vegas.

The Alpha Kappa Alpha Sorority, Incorporated, Theta Theta Omega (AKA TTO) Chapter records (1965-2020) are comprised of organizational records, conference programs, digitized copies of the chapter's scrapbooks, and copies of Ivy Leaf, the organization’s national newsletter. The records include chapter and committee agendas and meeting minutes, Far Western Regional Conference reports, and fliers for events hosted by AKA TTO. Also included are archived web captures of AKA TTO's website and digital audio and video files for the chapter's oral history project interviewing Charter, Golden, and Silver members from 2019 to 2020.

The Ken Easley Photographs for Del Webb Corporation in Nevada (approximately 1979-1988) consist of photographic slides, transparencies, prints, contact sheets, and negatives depicting various Del Webb Corporation properties throughout Nevada, including the Nevada Club Hotel and Casino in Laughlin, The Mint Hotel and Casino in Las Vegas, the High Sierra Hotel and Casino (formerly Del Webb’s Sahara Tahoe) in Stateline, and the master-planned development of Sun City Summerlin in Las Vegas, Nevada. The photographs document interiors, exteriors, and signage; restaurants, bars, and lounges; gaming activities; and promotions and events.

The Howard Hughes Professional and Aeronautical Photographs contain black-and-white photographs of businessman and entrepreneur Howard Hughes and his companies from 1916 to 1997. The photographs primarily depict Hughes alongside his aircraft, including the XF-11 prototype reconnaissance plane and the HK-1 Hercules, better known as the "Spruce Goose" or "Flying Boat." The photographs also cover the companies owned by Hughes, including Hughes Tool Company, Hughes Aircraft Company, Hughes Electronics Corporation, and RKO Pictures.

The Bob Coffin Political Papers (approximately 1861-2021) document the political career of independent Democrat Bob Coffin who served in the Nevada Assembly, State Senate, and Las Vegas City Council from 1983 to 2019. Collection materials primarily consist of legislative research files associated with Coffin's committee assignments. City Council records in this collection include budget files, constituent concerns, and city project files. The collection also includes election materials used for Coffin's political campaigns and include posters, mailers, as well as newspaper clippings and information on Coffin's opponents.