The William Geagley Collection on Nuclear Safety contains government publications, memoranda, and pamphlets about counteracting nuclear contamination of food supplies from 1951 to 1960. The materials primarily document Geagley’s oversight of the development of food safety contingency plans for the Michigan Department of Agriculture. The materials also contain information relating to the Nevada Test Site’s plans for Operation Plumbbob, atmospheric and underground nuclear tests held in 1957 in Nevada.

The collection is comprised of architectural records (1943-2009) completed by American architect, Alton Dean Jensen and/or his architectural firm, Alton Dean Jensen Architect, AIA, and contains 263 sets of drawings and 95 sets of project records from over 200 different projects. Primarily focusing on the Nevada area and Utah area with some projects also located in Arizona, California, Wyoming, Colorado, South Dakota, Montana, and Idaho, the materials feature hand-drawn architectural drawings, ranging from preliminary sketches to construction documents, and project records, like structural calculations and project specifications. The drawings also contain work from consultants, engineers, and other architects who collaborated on the development of the various projects. The drawings include: commercial, industrial, professional, civic, residential, and religious buildings of varying scales, such as convenience stores, hotels, casinos, shopping centers, warehouses, office developments, schools, military buildings, churches, and custom single-family homes located throughout the Southwest (United States). The drawings also include a number of additions, remodels, and renovations. The drawings contain work from the Miles E. Miller Architecture firm, where Alton Dean Jensen first worked in Salt Lake City, Utah in the 1950s. The records include: structural calculations and drawings, project manuals and specifications, bid documents, and professional correspondence.

The Maurine and Fred Wilson and Dr. William S. Park Audiovisual Collection (approximately 1900s-1970s) consist of audiovisual material created by the Wilson and Park families. The materials depict the Park homes in Las Vegas, Nevada; Park and Wilson family members; outdoor activities and vacation trips to California, Colorado, and Mexico. The collection also documents early views of the Kiel Ranch in Las Vegas, Nevada, community parades and events, and early views of Las Vegas in the 1920s.

The Bob Paluzzi Panoramic Photographs (1978-2005) contain the work of photographer Robert "Bob" Paluzzi. Paluzzi began documenting local events and locations in Las Vegas, Nevada during the mid-1970s and continued photographing locations across the United States and internationally until 2005. The collection contains original photographic negatives (black-and-white and color) and photographic prints that depict sporting events and places throughout Las Vegas and the surrounding region. Additional locations include cities across the United States, and international locations including Paris, France; Brussels, Belgium; and London, England. A number of the images are from major sporting events that took place outside Las Vegas, such as Super Bowls XIV to XXXIX and Major League Baseball World Series games.

The MGM Mirage Corporation Records date from 1970 to 2010 and consist of the records of the Las Vegas, Nevada based global entertainment company. The collection contains organizational records, employee newsletters, files about the MGM Mirage diversity and inclusion initiative, correspondence, reports on gambling addiction, gambling statistics, press clippings, and audiovisual materials. There are also photographs, photographic slides, and photographic negatives of performers, corporate executives, and MGM Mirage properties.