Oral history interviews with William J. Moore Jr. conducted by Elizabeth Nelson Patrick on May 05, 1981 and August 29, 1981 for the Ralph Roske Oral History Project on Early Las Vegas. In these interviews, Moore discusses arriving to Las Vegas, Nevada in 1941 to design and build the Last Frontier Hotel. Moore describes his work as an architect and recalls the other hotels he helped design. He then discusses purchasing mines in order to obtain their electrical components. Moore later discusses promoting and advertising for the Griffith theater chain and explains how he promoted before telecommunications. Later, Moore explains the designs of some of the structures he helped build. Lastly, Moore discusses the groups and organizations he was a member of, and recalls some of his memorable accomplishments.