The Blue Diamond History Committee Collection (1920s-2012) contains materials related to the history of the Blue Diamond Mine and nearby village located about twenty-five miles outside of Las Vegas, Nevada. The collection contains materials including environmental reports, photographs of the mine and its employees and their families, maps, a photocopy of a diary, mine operation records and accident reports, community calendars, and correspondence and property documents of the local post office.

The Dow Metals, Incorporated Photograph Collection on Basic Magnesium, Incorporated (approximately 1940 to 1990) contains black-and-white photographic prints, reproduction prints, and negatives depicting scenes at the Basic Magnesium, Inc. (BMI) plant in Henderson, Nevada. Images also include Basic townsite homes, buildings, and residents; BMI employees; and interior and aerial views of the plant. Also included are images from Pittman, Nevada of row houses, tent houses, a recreation center, and dining and entertainment establishments.