View of striated rock formations identified as the Portals on the Denver & Rio Grande Railroad Glenwood Extension, Glenwood Canyon near the Colorado River (Garfield County), Colorado. Shows telegraph poles, rock outcroppings and talus.
Denver and Rio Grande Railroad Company--1880-1890.; Colorado River (Colo.-Mexico)--1880-1890.; Garfield County (Colo.)--1880-1890.; Glenwood Canyon (Colo.)--1880-1890.; Canyons--Colorado--Garfield County--1880-1890.; Railroad...
[between 1880 and 1890]
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