This collection is unprocessed. See Access Note for additional information. The Robert MacKenzie Papers (approximately 1940-2000) contain the personal papers of Robert MacKenzie and materials documenting the long-term effects of atomic testing. The collection contains photographs, material documenting the Radiation Exposure Compensation Act deals, surveys about veterans and their children with diseases, letters and correspondence, audiovisual material, and original drawings and cartoons of ships drawn by MacKenzie. MacKenzie was stationed on a ship during Castle Bravo, the first in a series of high-yield thermonuclear weapon design tests conducted by the United States at Bikini Atoll, Marshall Islands, as part of Operation Castle.

The Jany Ortiz-Robinson Papers (1984-2020) contain the papers of Ortiz-Robinson, who has worked in Nevada's early childhood education field for over twenty years. The collection mainly consists of awards and certificates awarded to Ortiz-Robinson over her career, from various organizations including the Economic Opportunity Board of Clark County, The Nevada Registry, Clark County School District, and the Nevada Association of the Education of Young Children. Also included is a copy of her dissertation from the University of Nevada, Las Vegas (UNLV), materials documenting graduation ceremonies, and yearbooks from her time at Moapa Valley High School and the University of San Francisco. A scrapbook documenting her senior year at Moapa Valley High School (1984-1985) contains photographs, ephemera, newspaper clippings, and handwritten notes about her final year in high school.

The Las Vegas Victims' Fund Records (2017-2019) include comments on the draft protocols for fund disbursement, donation checks and donor tax letters, committee meeting agendas, IRS origination documents, bylaws, business licensing documents, bank statements, and a community needs assessment.

Oral history interview with Siegfried Haderly conducted by Stefani Evans on October 30, 2024 for Reflections: the Las Vegas Asian American and Pacific Islander Oral History Project. In this interview, Haderly recalls his childhood in Manila, Philippines until his parents separated, his mother's move to the United States, and Haderly's move to join her in Las Vegas, Nevada after graduating high school. He describes working first as a dishwasher, and then as a busboy for various hotel/casinos including the Sahara, Desert Inn, and Sands. He then was hired as a bartender and joined the Bartenders Union Local 165 and has been a union member ever since. He shares his experience serving two years in the United States Army during the Vietnam War, and then moving to St. Paul, Minnesota and starting a family. Haderly describes his eventual return to Las Vegas in the 1990s, retiring, and his year-long trips back to the Philippines, and working part-time for family members. At the time of his 2024 interview, Siegfried Haderly was employed as a canvasser for Culinary Workers Union Local 226.

The Evelyn Semling Music Transcripts (unknown dates) contains the words and music to 38 children's songs written by Semling during her teaching career. She titled the collection "Music in Motion."

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 Elma G. Leland Papers contain materials related to the aviation industry in Las Vegas, Nevada from 1948 to 1978. The papers include several aviation publications, articles about Fred W. Kelly, Western Airlines International's first pilot, and newspaper clippings about aviation in Nevada.