The collection, dated 1988-1999, was created by the United States Air Force, Nellis Air Force Base, Nevada. It consists of unclassified documents relating to the implementation of the Installation Restoration Program (IRP) of environmental remediation and restoration for Department of Defense (DOD) military installations, ranges, and disposal sites in Nevada.

The Pacific Engineering and Production Company of Nevada (PEPCON) Disaster Collection of News Articles (1988-1992) consists of articles from Las Vegas and other state and regional newspapers about the PEPCON plant explosion that took place in May of 1988. Also included are United Press International press releases from October to December, 1988.

Oral history interview with Brenda Arnold conducted by Janet E. Prince on February 28, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Arnold discusses her career as a librarian, her religious activities in Las Vegas, Nevada, and viewing the above-ground atomic testing. She also recounts activities she did while visiting Lake Mead and Harris Springs at Mount Charleston.

Oral history interview with Jennilee Thayer conducted by Claytee D. White on August 12, 2009 for the Boyer Early Las Vegas Oral History Project. In this interview, Thayer discusses arriving to Las Vegas, Nevada in 1936 when it was still a mining town. She describes early Henderson, Nevada, attending Basic High School, and recalls her father’s employment at the Basic Magnesium Plant. Lastly, Thayer discusses her employment in show production, atomic bomb testing, and changes in Las Vegas.

Oral history interview with Marjory Gusewelle Phillips conducted by Jodie C. Tenuta on May 11, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Phillips discusses growing up in Las Vegas, Nevada and describes various recreational activities throughout the city. Phillips then discusses the significance of the Helldorado Parade to locals and how the parade brought the community together. Phillips later recalls watching the Boulder (Hoover) Dam being constructed and the events around the opening of the dam.

Oral history interview with Dr. Joseph Rojas conducted by Suzanne Lubritz on February 25, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Rojas describes his career as a gynecologist in Las Vegas, Nevada after being stationed at Nellis Air Force Base as chief of OBGYN during his time enlisted in the U.S. Air Force. Rojas also discusses how health care and medicine has evolved in Las Vegas, and Nevada as a whole.

The Jean Olen Papers (1994-2008) document Olen's career as a taxicab driver in Las Vegas, Nevada. Materials include Olen's personal taxicab driver's permit, medical examiner certificate, and other placards found in taxicabs regarding common questions, such as tipping, no smoking, and airport fees. Also included are newspaper clippings about taxicab drivers in Las Vegas, Nevada and four issues of Trip Sheet, a local magazine for taxicab, limousine, trolley, and shuttle drivers, which features letters to the editor written by Olen.