THE DIFFICULTIES OF A MOUNTAIN TOLL-ROAD. A tunnel in sunrmer through a snow-slide which came down the mountain in spring from the Article A GLIMPSE OF "THE SILVERY SAN JUAN." By T. A. Rickard. from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume IX April to September, 1895 NEW YORK The Engineering Magazine Co

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Size: 2172px × 3453px
Location: Colorado, USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
Model Released: No

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