The Kiel Family Photographs (approximately 1854-1989) contains glass plate negatives of members of the Kiel and George families, as well as neighbors from the Stewart and Wilson ranches and ranch workers. The majority of the photographs were taken at the Kiel Ranch site in North Las Vegas, Nevada. The collection consists of the original glass plate negatives, as well as photographic print and negative duplicates made using the originals.

The Richard B. Taylor Papers (1920-1993) document Richard Taylor's career and interests as a longtime Las Vegas, Nevada businessman and local historian, including his work as an executive at the Hacienda Hotel and Casino. The materials also include maps, development plans, and local publications for the Nevada communities of Laughlin and Mount Charleston, as well as publicity and promotional materials for these projects. As an amateur historian, Taylor also collected information on Las Vegas, Laughlin, and Mount Charleston.