Union Pacific Day 10 May 1869
Photographer: Copelin and Melander
Location: The procession is seen here proceeding east on Lake Street from the corner of Clark Street.
Potter Palmer’s Dry Goods store is the tall white building. The day is in honor of the last spike that was driven in Promontory Summit, UT that marked the completion of the first transcontinental railroad.
The New Chicago Tribune Building
Pacific Railway Celebration
May 10, 1869