Railroad tracks run along the base of a rock bluff bordering the Columbia River. Tunnel No. 3 is visible in the distance. Railroad crossing in foreground. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

Two men stand next to the railroad tracks at the base of a rock bluff on the Columbia River. Loose duplicate plate in 5/6. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View up the Columbia River, taken from over Tunnel No. 3. Railroad tracks run along the base of a rock bluff on the river. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A stream flows past rock bluffs. Taken from Tunnel No. 3 on the Columbia River Gorge. Loose duplicate plate in 5/6. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

Railroad tracks run along the base of a rock bluff bordering the Columbia River. Taken from over Tunnel No. 3. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View of a railroad track emerging from Tunnel No. 3 just above the Columbia River. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View of the Columbia River and cliffs in the Columbia River Gorge. Loose duplicate plate in 5/6. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A railroad track crosses Hood River. Houses in the town of Hood River are visible in the background. Loose duplicate plate in 5/5. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View up the Columbia River to Mitchell Point in the distance. A large rock outcropping sits in the Columbia River in the foreground. Loose duplicate plate in 5/4. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View down the Columbia River, with the foot of Mitchell's Point in the foreground. A railroad track goes around the foot of Mitchell's Point. Loose duplicate plate in 5/5. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View of a railroad track crossing a lake in the Columbia River Gorge. Loose duplicate plate in 5/4. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A view of Hood River with Mount Hood visible in the distance. Loose duplicate plate in 5/5. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View of Multnomah Falls. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View of Horsetail Falls in the Columbia River Gorge. Misidentified on plate as Oneonta Falls. Loose duplicate in 5/4. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View up the Oneonta Gorge, taken from within the gorge. Loose duplicate plate in 5/3. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View out of the Oneonta Gorge, taken from within the gorge. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

View up the Oneonta Gorge, taken from a railroad crossing. Loose duplicate plate in 5/3. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

Railroad tracks just outside Oneonta Gorge. Photograph taken from the mouth of the Oneonta Gorge. Loose duplicate plate in 5/3. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A view of Oneonta Gorge in the Columbia River Gorge. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A view of Eagle Creek in the Columbia River Gorge. Taken from the railroad crossing. The word "Cascades" is misspelled as "Gascades" in the title. Loose duplicate plate in 7/1. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A fishwheel on the bank of the Columbia River. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A view of Oneonta Gorge in the Columbia River Gorge. Loose duplicate plate in 5/3. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A fishwheel floats on the Columbia River in the Columbia River Gorge. A man stands on the attached vessel. Loose duplicate plate in 5/3. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

A view of the railroad bridge crossing Eagle Creek. Taken from Eagle Creek. Loose duplicate plate in 5/2. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

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.

View of Castle Rock, also known as Beacon Rock, on the Washington side of the Columbia River Gorge. Photo taken from the Oregon side of the Columbia River Gorge. There are 2 structures, possibly houses, on the shore of the Columbia River. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.

The Cascades rapids of the Columbia River. The blockhouse at Fort Cascades is in the background. Loose duplicate plate in 7/1. This plate is part of Carlton Watkin's "Sun Sketches of Columbia River Scenery" album.