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 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 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 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 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 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 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."

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."

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 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 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."

Stereograph of the Oregon Railway & Navigation Co.'s Tunnel No. 3 on the Oregon side of the Columbia River Gorge, 1883

Stereograph of the Oregon Railway & Navigation Co.'s Tunnel No. 3 on the Oregon side of the Columbia River Gorge, 1883

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 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 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 view looking east at Mitchell Point on the Oregon side of the Columbia River Gorge, circa 1882.

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 rapids at the Cascades of the Columbia, with the Upper Cascades, Skamania County, Washington Territory in the background, circa 1883.

Stereograph of the rapids at the Cascades of the Columbia, with the Upper Cascades, Skamania County, Washington Territory in the background, circa 1883.