Archival objects in this container: Union Pacific Railroad supporting infrastructure and facilities: contains station maps, tract maps, and topographic maps throughout Nevada including Las Vegas, Apex, and Lincoln County; also includes and unidentified aerial photographs, calculated capacities of reservoir tanks for Kelso, California Yermo, California, and Las Vegas, Nevada, and architectural and structural drawings from Union Pacific Railroad projects throughout Nevada, 1942 June 04-1959 July 21