Tags: infrastructure, bridge, deck, truss, blackstone, river
Tags: infrastructure, deck, truss, railroad, bridge, blackstone, river, grafton, built
Tags: landscape, blackstone, glacier, prince, william, sound, alaska
Tags: landscape, luminous, glacier, blackstone, alaska
Tags: landscape, blackstone
Tags: landscape, blackstone, field, alaska
Tags: landscape, blackstone, glacier, meets
Tags: abandoned, shipwreck, seen, whittier, blackstone, glacier, alaska