Stereograph of the Tooth Bridge, located west of Eagle Creek in the Columbia River Gorge and part of the Oregon Steam Navigation Co.’s Oregon Portage Railroad around the rapids of the Cascades of the Columbia, 1867. The mule-drawn cart approaching the camera on the tracks is carrying John Stevenson and Joseph Bailey, superintendent of the Oregon Portage Railroad.

Stereograph of the Tooth Bridge, located west of Eagle Creek in the Columbia River Gorge and part of the Oregon Steam Navigation Co.’s Oregon Portage Railroad around the rapids of the Cascades of the Columbia, 1867. The mule-drawn cart approaching the camera on the tracks is carrying John Stevenson and Joseph Bailey, superintendent of the Oregon Portage Railroad.

Stereograph of the Oregon Steam Navigation Co.’s office on the Columbia River at The Dalles, Oregon, 1867.

Duplicate of Stereograph 1309, on a different mount. Stereograph of the Oregon Steam Navigation Co.’s office on the Columbia River at The Dalles, Oregon, 1867.

Duplicate of Stereograph 1309, on a different mount. Stereograph of the Oregon Steam Navigation Co.’s office on the Columbia River at The Dalles, Oregon, 1867.

Stereograph of the Oregon Steam Navigation Co.’s office on the Columbia River at The Dalles, Oregon, 1867.

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 the rapids of the Columbia River east of The Dalles, Oregon near Celilo Falls, 1867.

Stereograph of the Oregon Steam Navigation Co.’s railroad tracks past Cape Horn, Columbia River Gorge, Oregon, 1867.

Stereograph of the rapids of the Columbia River east of The Dalles, Oregon near Celilo Falls, 1867.

Stereograph of the Oregon Steam Navigation Co.’s railroad tracks past Cape Horn, Columbia River Gorge, Oregon, 1867.

Duplicate of Stereograph 1328, on a different mount. Stereograph of the Oregon Steam Navigation Co.’s railroad tracks past Cape Horn, Columbia River Gorge, Oregon, 1867.

Duplicate of Stereograph 1328, on a different mount. Stereograph of the Oregon Steam Navigation Co.’s railroad tracks past Cape Horn, Columbia River Gorge, Oregon, 1867.

Stereograph of the Oregon Steam Navigation Co.’s railroad tracks east of Cape Horn on the Oregon side of the Columbia River, 1867.

Stereograph of the Oregon Steam Navigation Co.’s railroad tracks east of Cape Horn on the Oregon side of the Columbia River, 1867.

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 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 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 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 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 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 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 2/85: "West Portal, Tunnel No. 3, 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 2/85: "West Portal, Tunnel No. 3, Oregon."