The Marjorie Barrick Museum of Natural History Records (1939-2003) detail the creation of the Marjorie Barrick Museum of Natural History in Las Vegas, Nevada founded by Richard H. Brooks, a professor of anthropology at the University of Nevada, Las Vegas. The records are comprised primarily of correspondence between Brooks and members of the Southwestern Anthropological Association (SWAA), the Society for California Archaeology (SCA), and the meetings and exhibitions of the Nevada State Museum. The collection also contains financial statements that describe expenses for supplies, research, and excursions. Also included are anthropological, archaeological, and historical publications, as well as administrative files and Richard Brooks' correspondence with the Nevada Archaeological Survey (NAS). The collection also includes architectural floor plans for the Classroom and Physical Education, the original space that was converted into the museum in 1980, and plans for the redesign of the Barrick Museum and the Harry Reid Environmental Research Center addition.

The William Flangas Srapbooks document his anti-smoking efforts in Nevada from 1974 to 2014. These materials include correspondence, articles, copies of assembly bills, newsletters related to smoking and health, and newsletters related to non-smokers.

The Lake-Eglington Family Photograph Collection contains photographs of the Lake-Eglington Family in and around Las Vegas, Nevada from 1900 to 1976. The materials include photographs of early Las Vegas resident Olive Lake-Eglington and her family shortly after they moved to Las Vegas in 1904, as well as her eventual husband Earle Eglington after he moved to Las Vegas in 1911. The materials also include photographs of Native American artifacts, schools in Clark County, Nevada, artesian wells, the Hoover (Boulder) Dam, the Colorado River, Mt. Charleston, the Mormon Fort, the Stewart (Kiel) Ranch, the Las Vegas Ranch, and many early residents of Las Vegas.

The Archie C. Grant Photograph Collection (1914-1968) contains black-and-white photographs of Nevada politician Archie C. Grant. The materials include photographs of Grant with the Las Vegas Housing Authority at groundbreaking ceremonies, the University of Nevada Board of Regents, and with other Nevada politicians. Materials also contain early photographs of the University of Nevada, Las Vegas campus, including the dedication of Maude Frazier Hall.

The Kenneth Giles Professional Papers (1964-2001) contain documents and visual material related to Giles's time as an Environmental Radiation Monitor for the Environmental Protection Agency (EPA) at the Nevada Test Site (NTS). Photographic slides, film, and digital images depict the general flora and fauna throughout the area surrounding the NTS. Visual materials also document specific mule deer and steer surveillance and testing at the EPA Farm located within the NTS. The collection also contains environmental reports written or collected by Giles, government documents, pamphlets, and newspaper clippings related to environmental monitoring and Giles's work at NTS. A small portion of the collection documents his brief role providing monitoring support at Three Mile Island in Pennsylvania in 1979. Note: Some images may be of a graphic or disturbing nature and may not be suitable for some users. Photographs may contain scenes of animal testing or other objectionable imagery.