Stereograph of an Oregon Steam Navigation Co. employee standing on one of the company’s Vulcan steam engines, the “Betsey Baker,” at the Lower Cascades, Skamania County, Washington Territory, 1867.

Stereograph of the Oregon Steam Navigation Co.’s railroad yard at the Lower Cascades, Skamania County, Washington Territory, 1867.

Stereograph of the Oregon Steam Navigation Co.’s railroad yard at the Lower Cascades, Skamania County, Washington Territory, 1867.

Duplicate of Stereograph 1264, on a different mount. Stereograph of Oregon Steam Navigation Co.’s railroad tracks west of the Middle Block House, also known as Fort Rains, on the Columbia River, Skamania County, Washington Territory, 1867.

Duplicate of Stereograph 1270, on a different mount. Stereograph of Oregon Steam Navigation Co. steam locomotive heading west out of the Upper Cascades, Skamania County, Washington Territory, 1867.

Duplicate of Stereograph 1270, on a different mount. Stereograph of Oregon Steam Navigation Co. steam locomotive heading west out of the Upper Cascades, Skamania County, Washington Territory, 1867.

Stereograph of islands in the Columbia River, south of the Upper Cascades, Skamania County, Washington Territory, 1867.

Duplicate of Stereograph 1272, on a different mount. Stereograph of islands in the Columbia River, south of the Upper Cascades, Skamania County, Washington Territory, 1867.

Duplicate of Stereograph 1295, on a different mount. Stereograph view of the home of Joseph Bailey, superintendent of the Oregon Steam Navigation Co.’s Oregon Portage Railroad and sawmill, at Eagle Creek in the Columbia River Gorge, 1867. The man in the black jacket, hat, and white shirt on the railroad bridge is Joseph Bailey. John Stevenson is sitting on the mule-drawn cart with another unidentified man.

Duplicate of Stereograph 1297, on a different mount. Stereograph depicting The Tooth Bridge and the tracks of the Oregon Portage Railroad, Columbia River Gorge, 1867.

Duplicate of Stereograph 1297, on a different mount. Stereograph depicting The Tooth Bridge and the tracks of the Oregon Portage Railroad, Columbia River Gorge, 1867.

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.

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 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 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 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 Oregon Railway & Navigation Co. railroad tracks and The Needles, Columbia River Gorge, Oregon, after the winter storm of December 1884. Items 2/101 and 2/102 are duplicate stereographs on different mounts. Alternate caption on stereograph 2/101: "'The Needles,' View East, Cascades, Col. River, Or."

Stereograph of the Oregon Railway & Navigation Co.'s railroad tracks through The Needles, Columbia River Gorge, Oregon, taken after the winter storm of December 1884 and January 1885.

Stereograph of the Oregon Railway & Navigation Co.'s railroad tracks past Bridal Veil Bluffs, Columbia River Gorge, Oregon, taken after the winter storm of December 1884 and January 1885.

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

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 originally taken by Alfred A. Hart circa 1862-1869 and reprinted by Carleton Watkins, who acquired Hart's negatives in 1869. Hart was the official photographer for the Central Pacific Railroad.