Central Pacific Railroad Photographic History Museum
Cprr: Completion of the Pacific Railroad
From Chapter 105 of R. M. Devens' 1878 book, "Our First Century" is this description of the building of the transcontinental railroad and the ceremony of driving the final spike.
PBS
Pbs: American Experience: The Iron Road
A good summary of the history of the building of first transcontinental railroad and images of the transcontinental railroad. From the introduction to the PBS video, The Iron Road.
Central Pacific Railroad Photographic History Museum
Magnificent Celebrations in Calfornia
Describes the completion of the transcontinental railroad and the subsequent celebrations.
Curated OER
National Park Service: Golden Spike National Historic Site
Homepage of the Golden Spike National Historic Site. Provides general information about the completion of the transcontinental railroad and contains links to other information.
Curated OER
Hart 356
Contains information about the gold spike, the second gold spike, the Nevada silver spike, the Arizona iron-silver-gold spike, the lemon spike, the silver sledge, the Laurel tie, and the iron tie.