View of the Tooth Bridge, part of the Oregon Steam Navigation Co.'s Oregon Portage Railroad in the Columbia River Gorge. The bridge crosses Eagle Creek in the distance. The calm waters of the Columbia River Channel reflect surrounding trees. Loose duplicate plate in 5/2. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

Railroad tracks belonging to the Oregon Steam Navigation Co. at Eagle Creek Crossing in the Columbia River Gorge. Bradford Island is visible across the Columbia River. Loose duplicate plate in Box 5. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

Stereograph of the Oregon Steam Navigation Co.’s steamship “Oneonta” on the Columbia River near the Upper Cascades in Skamania County, Washington Territory, 1867.

Stereograph of the Oregon Steam Navigation Co.’s steamship “Oneonta” on the Columbia River. The Upper Cascades in Skamania County, Washington Territory is in the background, 1867.

Duplicate of Stereograph 1275, on a different mount. Stereograph of the Oregon Steam Navigation Co.’s steamship “Oneonta” on the Columbia River. The Upper Cascades in Skamania County, Washington Territory is in the background, 1867.

View of the Oregon Steam and Navigation Company's operations at The Dalles, Oregon. The steamboat "Oneonta" is tied to the wharf.