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.