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 Geneva Stark Merwin conducted by Elizabeth Nelson Patrick on August 24, 1983 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Merwin discusses her career and experiences as a teacher in Pahrump, Nevada after moving there in 1941. Merwin also discusses some of the people in the town and its layout. Merwin goes on to describe her teaching career in Las Vegas, Nevada after being recommended to the school board by Maude Frazier.

Oral history interview with Paul Christensen conducted by Claytee D. White on February 19, 2008 for the Boyer Early Las Vegas Oral History Project. In this interview Paul Christensen discusses his early childhood in Las Vegas, Nevada during World War II, his family's jewelry business, the various educational institutions he attended, his service in the United States Air Force, and his long career in city politics.

Oral history interview with Faye Rhea Porter conducted by Barbara Tabach on June 13, 2012 for the Boyer Early Las Vegas Oral History Project. In this interview, Porter discusses her father's employment at the Nevada Test Site. Porter talks about her father being unable to describe the type of work he did with family or friends and tells anecdotes about the secrecy of the test site. She then recalls her sister and her employment at the Nevada Test Site until an accident on the way to the site resulted in her death.

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.