Union Pacific railroad survey crew members pose in their camp along the Grand (Colorado) River with two dogs and their transit, rods, levels, and axes, near Glenwood Springs, Colorado. They include: "1. J. I. Barlow, Div Engr. state: Mass.; 2....
Union Pacific Railroad Company--1880-1890.; Colorado River (Colo.-Mexico)--1880-1890.; Railroad employees--Colorado--1880-1890.
[between 1884 and 1890]
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