Photographer's contact sheet with two individual prints. The top image shows a group of people with a dog and two burros on the ridge of a mountain. Bottom image shows two men standing near burros carrying lumber. Breckenridge photographer Otto Westerman's stamp is on the reverse. Circa 1880s-1900s.

Men haul lumber on the backs of burros in Summit County, Colorado. Title quoted from handwritten caption on card mount: "Mode of hauling Lumber by a jack train".