Stereograph of the Oregon Railway & Navigation Co.’s railroad tracks between The Dalles, Oregon and Celilo, just east of Five Mile Rapids, 1867. Condition Note: Exposure has faded and Mount Hood is no longer visible.

Stereograph of the Oregon Railway & Navigation Co.’s railroad tracks between The Dalles, Oregon and Celilo, just east of Five Mile Rapids, 1867. Condition Note: Exposure has faded and Mount Hood is no longer visible.

Duplicate of Stereograph 1324, on a different mount. Stereograph of the Oregon Railway & Navigation Co.’s railroad tracks between The Dalles, Oregon and Celilo, just east of Five Mile Rapids, 1867. Condition Note: Exposure has faded and Mount Hood is no longer visible.

Duplicate of Stereograph 1324, on a different mount. Stereograph of the Oregon Railway & Navigation Co.’s railroad tracks between The Dalles, Oregon and Celilo, just east of Five Mile Rapids, 1867. Condition Note: Exposure has faded and Mount Hood is no longer visible.

Stereograph of Oregon Railway & Navigation Co. railroad tracks east of Oneonta Bluffs, Columbia River Gorge, Oregon, 1883. Items 2/72 and 2/73 are duplicate stereographs on different mounts. Alternate caption on stereograph in 2/73: "Oneonta Bluffs, Cascades, Oregon."

Stereograph of the Oregon Railway & Navigation Co.'s railroad bridge over Hood River, circa 1883. Items 2/82 and 2/83 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/82: "Hood River Crossing, Columbia River Scenery, Oregon."

Stereograph of view looking east down the Columbia River Gorge from the bluff over the Oregon Railway & Navigation Co.'s Tunnel No. 3, circa 1882. Items 2/90 and 2/91 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/91: "Rock Bluff from over Tunnel No. 3, Col. River Scenery, Oregon."

Stereograph of view looking east down the Columbia River Gorge from the bluff over the Oregon Railway & Navigation Co.'s Tunnel No. 3, circa 1882. Items 2/90 and 2/91 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/90: "Rock Bluff, from over Tunnel No. 3, Oregon."

Stereograph of the Passage of the Dalles, Columbia River Gorge, 1882. Stereograph of the Passage of the Dalles, Columbia River Gorge, 1882. Items 2/94 and 2/95 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/95: "Mt. Hood from the Dalles, Col. River Scenery, Oregon."

Stereograph of construction materials at the Oregon Railway & Navigation Co.'s Bonneville Station for the building of railroad bridges, circa 1882.

Stereograph of a tooth bridge along the Columbia River Gorge.

Stereograph of a distant view of Castle Rock, also known as Beacon Rock, taken from the Oregon Railway & Navigation Co's railroad tracks east of Castle Rock, 1883.

Stereograph of the Oregon Railway & Navigation Co.'s Bonneville Station, Bonneville, Oregon, circa 1882

Stereograph of the Oregon Railway & Navigation Co.'s Bonneville Station, Bonneville, Oregon, circa 1882

Stereograph of the Tooth Bridge, located west of Eagle Creek in the Columbia River Gorge and part of the Oregon Railway & Navigation Co.'s railroad line on the Oregon side of the Gorge, circa 1882.

Stereograph of the Oregon Railway & Navigation Co.'s bridge over Eagle Creek, Columbia River Gorge, Oregon, 1883

Stereograph of the Oregon Railway & Navigation Co.'s railroad bridge over Hood River, circa 1883. Items 2/82 and 2/83 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/83: "Hood River Crossing, Oregon."

Stereograph of the bluffs west of the Oregon Railway & Navigation Co.'s Tunnel No. 3 on the Oregon side of the Columbia River Gorge, 1882.

Stereograph of the west entrance to the Oregon Railway & Navigation Co.'s Tunnel No. 3 on the Oregon side of the Columbia River Gorge, circa 1882. Items 2/85 and 2/86 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/86: "Tunnel No. 3, West Portal, Columbia River Scenery, Oregon."

Stereograph of the west entrance to the Oregon Railway & Navigation Co.'s Tunnel No. 3 on the Oregon side of the Columbia River Gorge, circa 1882. Items 2/85 and 2/86 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/86: "Tunnel No. 3, West Portal, Columbia River Scenery, Oregon."

Stereograph of the interior of Oregon Railway & Navigation Co.'s Tunnel No. 3 on the Oregon side of the Columbia River Gorge, 1883. Items 2/88 and 2/89 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/88: "Interior Tunnel No. 3, Oregon."

Stereograph of the Oregon Railway & Navigation Co.'s railroad tracks and railroad car, east of The Dalles, Oregon on the Columbia River Gorge, circa 1882. The white cart on the platform behind the railroad car contains Carleton Watkins's photographic supplies.

Stereograph of Oregon Railway & Navigation Co. railroad tracks east of Oneonta Bluffs, Columbia River Gorge, Oregon, 1883. Items 2/72 and 2/73 are duplicate stereographs on different mounts. Alternate caption on stereograph in 2/73: "Oneonta Bluffs, Cascades, Oregon."

Stereograph of Oregon Railway & Navigation Co. railroad tracks east of Oneonta Bluffs, Columbia River Gorge, Oregon, 1883. Items 2/72 and 2/73 are duplicate stereographs on different mounts. Alternate caption on stereograph in 2/72: "Oneonta Bluffs, Columbia River Scenery, Oregon."

Stereograph of Oregon Railway & Navigation Co. railroad tracks east of Oneonta Bluffs, Columbia River Gorge, Oregon, 1883. Items 2/72 and 2/73 are duplicate stereographs on different mounts. Alternate caption on stereograph in 2/72: "Oneonta Bluffs, Columbia River Scenery, Oregon."

Stereograph of the Oregon Railway & Navigation Co.'s railroad bridge over Hood River, circa 1883. Items 2/82 and 2/83 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/83: "Hood River Crossing, Oregon."

Stereograph of the bluffs west of the Oregon Railway & Navigation Co.'s Tunnel No. 3 on the Oregon side of the Columbia River Gorge, 1882.

Stereograph of the interior of Oregon Railway & Navigation Co.'s Tunnel No. 3 on the Oregon side of the Columbia River Gorge, 1883. Items 2/88 and 2/89 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/89: "Interior Tunnel No. 3, Columbia River Scenery, O'gn."