Category:Portland and Southwestern Railroad Tunnel

Media in category "Portland and Southwestern Railroad Tunnel"

The following 19 files are in this category, out of 19 total.

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  DETAIL SHOWING JOINING OF CAP, POST, AND SEGMENT - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-7.tif 3,998 × 4,982; 19 MB
  
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  DETAIL SHOWING METHOD OF SPLICING CAPS AND SILLS - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-6.tif 3,950 × 4,960; 18.69 MB
  
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  DETAIL SHOWING TIMBER AND JOINT BETWEEN TWO SEGMENTS - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-10.tif 4,011 × 5,000; 19.13 MB
  
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  DETAIL SHOWING TIMBER ARCH, LAGGING, AND PUNCHEONS, LOOKING EAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-9.tif 4,010 × 5,000; 19.12 MB
  
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  GENERAL INTERIOR, SHOWING TIMBER LINING, LOOKING EAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-11.tif 4,976 × 3,982; 18.9 MB
  
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  EASTERN PORTAL, LOOKING WEST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-15.tif 3,991 × 5,000; 19.03 MB
  
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  EASTERN PORTAL, SHOWING HILLSIDE AND APPROACH, LOOKING WEST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-14.tif 5,000 × 3,980; 18.98 MB
  
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  INTERIOR WALL, LOOKING NORTHEAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-13.tif 5,000 × 3,968; 18.92 MB
  
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  INTERIOR WALL, LOOKING SOUTHEAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-12.tif 5,000 × 3,998; 19.07 MB
  
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  NORTH WALL NEAR EASTERN PORTAL, LOOKING NORTHWEST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-17.tif 4,012 × 5,000; 19.13 MB
  
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  NORTH WALL OF WESTERN END, LOOKING NORTH - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-5.tif 5,000 × 3,960; 18.89 MB
  
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  Portland and Southwestern Railroad Tunnel.jpg 4,736 × 3,669; 2.4 MB
  
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  SOUTH WALL NEAR EASTERN PORTAL, LOOKING SOUTHWEST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-16.tif 3,988 × 5,000; 19.02 MB
  
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  TIMBER LINING, SHOWING SPLIT WOOD PUNCHEONS WEDGED BETWEEN TOP OF ARCH AND ROCK ROOF OF TUNNEL, LOOKING EAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, HAER ORE,5-CHAP.V,1-8.tif 4,998 × 4,003; 19.08 MB
  
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  West Portal.JPG 4,568 × 2,572; 3.1 MB
  
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  WESTERN PORTAL AND APPROACH, LOOKING NORTHEAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-4.tif 5,000 × 3,997; 19.06 MB
  
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  WESTERN PORTAL AND APPROACH, LOOKING SOUTHEAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-3.tif 5,000 × 3,994; 19.05 MB
  
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  WESTERN PORTAL SHOWING HILLSIDE AND APPROACH, LOOKING EAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-1.tif 3,972 × 5,000; 18.94 MB
  
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  WESTERN PORTAL, LOOKING EAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-2.tif 3,938 × 5,000; 18.78 MB