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.
Denver Public Schools--Students--Yearbooks.; North High School (Denver, Colo.)--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals.