The Young Electric Sign Company (YESCO) Corporate Records (1914-2000) document the history of the Young Electric Sign Company (YESCO) and is comprised of photographs of sign production and finished signs, negatives, slides, transparencies, anniversary scrapbooks, and videotapes. The collection also contains meeting minutes, correspondence, price books, drawings, calculations, newspaper and trade magazine articles on YESCO, advertising materials, and oral history interviews and audio recordings of YESCO designers and executives. YESCO is responsible for many of the neon signs in and around Las Vegas, Nevada and Reno, Nevada, as well as other Western states.

The Colorado River Commission of Nevada Reference Library Collection (1922-2000) documents the history of the Colorado River Commission (CRC) and is predominately comprised of books, briefs, memoranda, motions, exhibits, and other documents pertaining to the Arizona v. California litigation occurring between 1931 and 2000. The collection also contains meeting minutes, correspondence, budgets, reports, and other work files relating to the CRC. The CRC, located in Las Vegas, Nevada, is responsible for managing and protecting Nevada’s Colorado River water and power resources.

The Elmo C. Bruner Architectural and Real Estate Appraisal Records date from 1937 to 1996 and contain architectural and appraisal records from Las Vegas, Nevada. Bruner joined A.L. Worswick’s office in 1947, taking it over following Worswick’s retirement in 1954. In 1958, Bruner formed the Las Vegas Appraisal and Finance Corporation. The bulk of the collection consists of appraisal records for residential and commercial properties in Las Vegas, Henderson, and North Las Vegas. These records provide a detailed look at the urban development of the region as well as building design, style, and neighborhood characteristics. The architectural drawings highlight the work of Worswick and Bruner, including Frazier Hall at Las Vegas High School and the original adobe administration building at McCarran Airport.