The Basic Magnesium Inc. (BMI) Records and Photographs (1933-1965) document the planning, construction, and management of the BMI magnesium manufacturing plants near present-day Henderson in Clark County, Nevada and a magnesium mining operation in Gabbs, Nye County, Nevada. Materials include chronological reports, press releases, telegrams, budgets, building diagrams, maps, and black-and-white photographic prints. The records document employee housing and infrastructure projects, magnesium production statistics, and employee data. The photographic prints, which include many aerial images, provide a visual record of the construction of the plant, the mining operation, and the associated support facilities and employee housing.

The New York-New York Hotel and Casino 9-11 Heroes Tribute Collection consists of materials from the "Heroes of 9-11" display that was at the New York-New York Hotel and Casino in Las Vegas, Nevada from 2001 to 2012. The materials primarily consist of more than 5,000 t-shirts left at the memorial by visitors to Las Vegas, mostly from fire departments and law enforcement agencies from around the United States. Visitors left shirts and other items at the memorial as a sign of respect for the men and women who died during the terrorist attacks in New York City and Washington, D.C. on September 11, 2001. The collection also houses memorabilia and other items left at the memorial, including flags, hats, pins, buttons, flowers, and embroidered emblems and insignias. The materials also contain documentation of the memorial, including promotional and press materials, video recordings from the news media, photographs, and newspaper articles.

The Peg and George E. Crockett Family Photographs (approximately 1940-2008) are comprised of aerial photographs of Alamo Airport (later McCarran International Airport) and the surrounding Las Vegas Valley in the 1940s and 1950s. Photographs of the interior, exterior, and airfield at Alamo Airport document the early stages of what is now one of the busiest international airports in the United States. The collection also contains audiovisual material, which depict events including the Miss Rodeo America pageant and the Sahara Cup boat races on Lake Mead, and locations including Fremont Street in downtown Las Vegas, Nevada and Hoover Dam. A significant portion of the collection consists of photographs of the Crockett family at various events, on family vacations, and their home in Las Vegas, Nevada.