A burro train bringing gold from the mines near Ouray, Colorado
H87987 U.S. Copyright Office. No. 1535. Copyright by W.S. Smith. Public domain photograph of landscape view, nature, stereoscopic card, free to use, no copyright restrictions image - Picryl description
Burro Train with Ore from Revenue Tunnel, Mt. Sneffles, Colo., U. S. A
No. 1072. Public domain photograph of landscape view, nature, stereoscopic card, free to use, no copyright restrictions image - Picryl description
A burro train bringing gold from the mines near Ouray, Colorado
H87987 U.S. Copyright Office. No. 1535. Copyright by W.S. Smith. Public domain photograph of a landmark building, world heritage site, stereoscopic card, free to use, no copyright restrictions image - Picryl description
Burro Train Carrying Gold Ore Down a Mountain Trail, Colorado
No. 26028. Public domain photograph of landscape view, nature, stereoscopic card, free to use, no copyright restrictions image - Picryl description
Loading the great burro train, Aspen, Col. U.S.A.
Stereograph showing men on horseback, boxed in between railroad cars, wrangling a packtrain of donkeys. No. 5570.
Burro train--gold ore from Virginus mine near Ouray, Colo., U.S.A.
9956 U.S. Copyright Office. Copyright by B.L. Singley. No. 9005. Public domain photograph of 19th-century stereoscopic card, Colorado, free to use, no copyright restrictions image - Picryl description
Burro Train With Ore From the Gold Mine, Colo., U. S. A
No. 9302. Public domain photograph of 19th-century stereoscopic card, landscape, free to use, no copyright restrictions image - Picryl description