Passengers pose next to a Union Pacific Denver & Gulf Railway train in Colorado. The train sits on a bridge over Clear Creek.
Union Pacific, Denver, and Gulf Railway Company--1890-1910.; Clear Creek (Clear Creek County, Colo.)--1890-1910.; Passengers--Colorado--1890-1910.; Railroad bridges--Colorado--1890-1910.; Railroads--Colorado--1890-1910.;...
View of the Ouray - Silverton road, the Otto Mears toll road, in San Juan or Ouray County, Colorado; bridges span gaps in the cliff high above Mineral or Canyon Creek.