Middle panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Duplicate of Mammoth Plate 401, on a different mount. Condition note: Image has some stains and damage.

Middle panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867 Duplicate of Mammoth Plate 401, on a different mount.

Left panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Mount St. Helens is in the background.

Left panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Mount St. Helens is in the background. Duplicate of Mammoth 402, on a different mount.

Left panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Mount St. Helens is in the background. Duplicate of Mammoth 402, on a different mount.

A steam locomotive on the railroad tracks at Bridal Veil on the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

View of Cape Horn across the river on the Washington side of the Columbia River Gorge, taken from Bridal Veil, Oregon during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

Bridal Veil bluffs on the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

View of Multnomah Falls in the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

View of Multnomah Falls in the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

View of Lower Multnomah Falls in the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

View of Lower Multnomah Falls in the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

View of Multnomah Falls in the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

View of Upper Multnomah Falls in the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

Boudoir card of upper Multnomah Falls in the Columbia River Gorge. There is snow on the ground and behind the falls. A person is standing on the bridge at the base of the falls.

View of Oneonta Falls in the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

A railroad track crosses the creek at Oneonta in the Columbia River Gorge during the winter storm of 1884-1885. This plate is part of an album of Watkin’s New Series photographs originally owned by Charles H. Prescott, manager of the Oregon Railroad and Navigation Co.

Boudoir card of Latourelle Falls in the Columbia River Gorge. Photograph is inscribed incorrectly with the date "1867."

Boudoir card of the salmon fishery on the Columbia River at Warrendale, Oregon. A woman stands beside the railroad tracks that pass the fishery in the foreground. The title of the card incorrectly states this is located in Washington Territory. An Oregonian newspaper article featuring this photograph is affixed to the back of the card. It is dated Sunday, November 15, 1953, with the headline, "Historic Salmon Cannery Site in Gorge Acquired for Recreation Use by Forest."

Boudoir card of the mouth of Eagle Creek and a portion of Bradford's Island. Photograph is inscribed incorrectly with the date "1867."

Boudoir card of a Portland neighborhood with the Willamette River in the background. There is a fence in the foreground.

View of Lower Multnomah Falls on the Oregon side of the Columbia River Gorge.

Right panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Duplicate of Mammoth Plate 400, on a different mount. Mt. Hood is visible.

Left panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Mount St. Helens is in the background. Duplicate of Mammoth 402, on a different mount.

Stereograph of frozen Multnomah Falls after the winter storm of December 1884-January 1885. Image note: discoloration on print.

View of Multnomah Falls on the Oregon side of the Columbia River Gorge. OHS Collection includes 1 duplicate of this mammoth plate on a different mount.

View of Multnomah Falls on the Oregon side of the Columbia River Gorge. OHS Collection includes 2 duplicates of this mammoth plate on different mounts.

Stereograph of frozen Multnomah Falls after the winter storm of December 1884-January 1885.