Workers sit on Denver and Rio Grande Railroad engine number 1001 at Union Station in Denver, Colorado. Steam rises from under the locomotive. The clock tower of Union Station is visible in the distance. A sign on the engine reads "Keep Off". The...
Union Station (Denver, Colo.)--1900-1910.; Denver (Colo.)--1900-1910.; Railroad locomotives--Colorado--Denver--1900-1910.; Railroad stations--Colorado--Denver--1900-1910.; Railroads employees--Colorado--Denver--1900-1910.;...
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