The C. D. Baker Engineering Field Notebooks are comprised of the notebooks and informational texts Charles Duncan "C. D." Baker created and used between 1909 and 1966 while he served as the County Surveyor for Clark County, Nevada and the City Engineer for Las Vegas, Nevada. The field notebooks contain survey coordinates and elevation data for much of early Las Vegas and provide important information on early property boundaries, historical elevations, and lengths of streets from the 1920s to the 1960s. There are also oversized right of way maps for Clark County, Nevada.

The collection is comprised of architectural records (1947-2001) of American architect, Homer Rissman and the architectural firm, Rissman and Rissman Associates Ltd, a partnership of Homer Rissman and his brother Marshall. The collection includes 825 items from over 40 major projects and over 110 minor projects. The Rissmans' work represented in the collection focused on Las Vegas, Reno, and Lake Tahoe, Nevada, Los Angeles, Southern California, and Arizona, with Homer's early career design work in Chicago, Illinois. The materials feature hand-drawn architectural drawings, ranging from pencil and ink on tracing paper preliminary sketches to ink on Mylar (TM) construction documents, and a number of artist’s renderings, used for presentations and promotional materials. The drawings also contain work from a number of consultants, engineers, and other architects who collaborated on the development of the various projects. The collection includes architectural drawings for: hotels, casinos, integrated casino resorts, office towers, multi-family residential developments, and custom single-family homes.