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2. West portal of Tunnel 1, view to northeast, 135mm lens. Like the new tunnels built during this period, Tunnel 1 received a new concrete portal face with granite masonry voussoirs and coping. - Central Pacific Transcontinental Railroad, Tunnel No. 1, Milepost 164.34, Blue Canyon, Placer County, CA
Content Provider | Library of Congress - Photographs |
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Spatial Coverage | California -- Placer County -- Blue Canyon |
File Format | JPG / JPEG |
Language | English |
Part of Series | Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey American Memory |
Requires | HTML5 supported browser |
Access Restriction | Open |
Content Type | Image |
Resource Type | Photograph |