Wikimedi'Òc

Portland and Southwestern Railroad Tunnel.jpg - Martin H.

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 - Fæ

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 - Fæ

WESTERN PORTAL, LOOKING EAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-2.tif - Fæ

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 - Fæ

EASTERN PORTAL, LOOKING WEST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-15.tif - Fæ

INTERIOR WALL, LOOKING NORTHEAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-13.tif - Fæ

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 - Fæ

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 - Fæ

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 - Fæ

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 - Fæ

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 - Fæ

INTERIOR WALL, LOOKING SOUTHEAST - Portland and Southwestern Railroad Tunnel, Willamette Meridian, Chapman, Columbia County, OR HAER ORE,5-CHAP.V,1-12.tif - Fæ

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 - Fæ

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 - Fæ

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 - Fæ

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 - Fæ

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 - Fæ

West Portal.JPG - Newbootgoofin