On November 25, 1974, collector James M. Greene interviewed Russell K. Grater (born November 16th, 1907 in Lebanon, Indiana) in his home in Boulder City, Nevada. This interview offers an overview of the United States Park Service. Mr. Grater also offers an overview on the history of housing developments in the Las Vegas Valley and Nelson Township. The interview concludes with discussion on the leaf system of local plants.

On February 14, 1979, Gregory M. Hall interviewed his coworker, LaMar Foremaster (born May 9th, 1907 in Alamo, Nevada) at his place of business, Anderson Dairy, in Las Vegas, Nevada. This interview covers the changes, growth, and development of Southern Nevada from 1907 to 1979. During the interview LaMar discusses the Old Ranch, Boulder Dam, Hoover Dam, Fremont Street and the Strip. He also talks about his religious ties to the Mormon Church and his political activities in Las Vegas.