The Bound Legal Briefs series (1913) is comprised of sixty-one volumes of legal cases filed in the California Judicial District by the Union Pacific Railroad Law Department.

The Blueprints and Drawings series (1902-1975) contain drawings and maps of railroad buildings including depots in Nevada, Utah, and California; employee cottages, houses, and hospitals; and other railroad operational buildings, maps, and surveys. Also included are drawings of plats of track, right of way, elevation, easements, highways and roads, water facilities, and pipelines. The types of drawings include blueprints, blue-line, brown-line, tracing paper, vellum, mylar, and linen. Architectural drawings include site plans, floor plans, elevations, roof plans, sections, and schematic details. Structural drawings include foundation details, framing plans, and structural connection details. Mechanical drawings include plans detailing air conditioning ductwork and machinery schematics.

This series also contains sets of original drawings by architect Gilbert Stanley Underwood for the lodges and other park buildings at the Southern Utah National Parks at Zion, Bryce Canyon, Cedar Breaks, and the North Rim of the Grand Canyon constructed between 1924 and 1928 by the Union Pacific Railroad and the National Park Service to develop resort facilities to enhance tourism and the railroad's passenger service.

The General Manager, Manager of Properties, and Manager of Industrial Development in Los Angeles, California sub-series (1900-1976) consists of information related to the physical development of Union Pacific railroad towns and sites outside of Las Vegas, Nevada, including Yermo, California. Files include building leases, sales and purchases of land and water, accounting and other business practices, legislative matters, and industrial development along the Union Pacific rail routes.

The Correspondence of Las Vegas Agents sub-series (1943-1954) contains correspondence between Union Pacific Railroad executives and the official representatives of the railroad, including Walter Bracken.

The Photographs, Schedules, and Instruction Books sub-series (1905-1958) contains photographs of buildings and railway sections, maps, employee operations and instruction books, pay schedules, and related information.

The Maps, Drawings, and Plans sub-series (1903-1969) contains schematic drawings of railroad sections and crossings, and wells. It also contains annual reports and records books.