The Jamey Stillings Photographs (2009-2024) is primarily comprised of photographs taken by professional photographer, Jamey Stillings documenting various infrastructure projects in the region. The Mike O’Callaghan-Pat Tillman Memorial Bridge project at the Hoover Dam depicts the construction of the Mike O’Callaghan-Pat Tillman Memorial Bridge from 2009 to 2012. The Ivanpah Solar Electric Generating System project depicts aerial views of Ivanpah Solar in the Mojave Desert of California from 2010 to 2014. The Crescent Dunes Solar project consists of a range of aerial and ground-based work documenting SolarReserve's Crescent Dunes Solar near Tonopah, Nevada, from 2014 to 2015. The Tapping the Colorado project consists of aerial work documenting the historically critical water levels in Lake Mead and Lake Powell in 2021 and 2022.

The Kitty Rodman Collection on Sierra Construction Corporation (1987-2014) consists of one photograph album documenting the construction of the Mirage Hotel & Casino by Sierra Construction Corporation, and a binder containing photocopied documents and photographs providing a narrative of Kitty Rodman's life and career in Las Vegas as director of the corporation and as a noted philanthropist. Also included in the binder is a list of projects by Sierra Construction Corporation up to 1992, which contains construction dates and additional information such as project supervisor names.