The Clark County 208 Water Quality Management Plan Records contain reports produced by consultants and agencies for the Clark County Board of County Commissioners to create the Clark County, Nevada 208 Water Quality Management Plan (1960-1990). The collection also includes amendments and studies about the implementation of the plan.

The UNLV Libraries Collection of California Hotel and Casino Publicity and Promotional Materials includes Securities and Exchange Commission Form 10-Q, press kits, press releases, promotional materials, and newspaper and magazine clippings for California Hotel and Casino in Las Vegas, Nevada, dating from 1974 to 2002.

The Sidney R. Whitmore Collection (approximately 1885-1970) contains land deeds and other documents about Mount Diablo, Nevada; documents detailing parts of his family history; and eight framed paintings of landscapes and portraits.

The Nye County, Nevada Photograph Collection contains photographs from Nye County, Nevada from 1880 to 1990. The collection includes a wide variety of photographs that document the activities, landmarks, geographical features, towns, ranches, and families of Nye County. The collection covers the areas of Amargosa Valley, Ash Meadows, Beatty, Duckwater, Gabbs, Goldfield, Kawich Mountains, Manhattan, Pahrump, Round Mountain, Rhyolite, Smoky Valley, Springdale, Tecopa, Tonopah, and Twin Springs. The activities documented include mining, prospecting, herding animals, schooling, ranching, building construction, railroad construction, and hunting and fishing.

The Irma McGonagill Photograph Collection (1870-1925) consists of thirty black-and-white photographic prints, ten postcards, and fourteen photographic negatives showing Irma McGonagill and her family in Tonopah, Nevada during the mining boom. The images depict the town of Tonopah, mines around the Tonopah area, homes in Tonopah, and the McGonagill family.

The Las Vegas Bugle Photograph Collection on Lesbian, Gay, Bisexual, and Transgender History (1993-2002) consists of photographic prints, negatives, and contact sheets chronicling events and activities of the lesbian, gay, bisexual, and transgender communities throughout southern Nevada. Many of the photographs originally accompanied newspaper articles published in the Las Vegas Bugle.

The Boulder City 31ers Photograph Collection depicts the construction of the Hoover (Boulder) Dam and the development of Boulder City, Nevada from 1930 to 1987. The photographs primarily depict construction of the Hoover Dam, but they also depict workers, dormitories, the Colorado River, stores, and Black Canyon.