The Building Las Vegas Web Archive is comprised of archived websites captured in 2017 that are related to UNLV University Libraries documentation project, Building Las Vegas. Archived websites represent architecture firms, construction companies, and housing developers in the Las Vegas Valley. This collection includes websites for organizations such as Mark L. Fine & Associates, Klai Juba Wald Architecture, Southern Nevada Home Builders Association, and AIA Las Vegas.

The Las Vegas Land & Water Company Records from the Las Vegas Valley Water District (1918-1989) are primarily comprised of contracts, correspondence, and maps that document the establishment of a water distribution system in Las Vegas, Nevada that would provide water using the state's Colorado River allocation. The records include water main extension agreements, correspondence, and bills of sale for water main construction, as well as articles and correspondence documenting the groundwater shortage in Las Vegas. The collection also includes maps for water distribution systems and pipelines throughout the Las Vegas Valley.