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.

The William Fulton Papers (1993-1996) contains Fulton's research files used in writing his book, The Reluctant Metropolis: the Politics of Urban Growth in Los Angeles. The materials primarily consist of newspaper clippings that cover stories on the growth of Los Angeles residents moving to Las Vegas, Nevada, water, economic development, and the master planned community of Summerlin. The majority of newspaper clippings are from the Las Vegas Review-Journal and the Las Vegas Sun. The materials also include reports on economic and housing development in Southern Nevada as well as drafts of the book's Chapter 12, "Cloning Los Angeles" which discusses the growth of Las Vegas throughout the 1980s and 1990s.

The Wayne Cronister Photograph Collection depicts towns in Southern Nevada from 1905 to 1950. The photographs primarily depict Fremont Street in Las Vegas, Nevada and the construction of the Hoover (Boulder) Dam on the Colorado River. The photographs also include the Union Pacific Railroad Depot in Las Vegas, Nevada, the abandoned town of Rhyolite, Nevada, and a mining camp in El Dorado Canyon.