The Nevada Mining Collection is comprised of records that document mining and mines in Nevada from 1842 to 1966. The majority of the collection includes records of various mines and mining companies located in the Esmeralda, Lincoln, Clark, White Pine, and Nye counties, dating from 1900 to 1928. The collection includes financial, administrative, and business related records; photographs of miners, mining camps, and towns; correspondence; maps; newspaper clippings, pamphlets, newsletters, and booklets.

The Culinary Workers Union Local 226 Las Vegas, Nevada Photographs document various activities of the Culinary Union, from the 1950s to 2006, with the bulk of the material documenting the 1990s. Prominently featured in the collection are various strikes, pickets, marches, parades, rallies, and demonstrations from the late 1980s to early 2000s. A large portion of these photographs documents the Frontier Strike of the 1990s. Also included are photographs of press conferences, political rallies, internal committee meetings, Hotel Employees and Restaurant Employees (H.E.R.E.) conventions, and various social events. Materials contain photographic prints, photographic negatives, and a small number of slides.