Stereograph of a tooth bridge along the Columbia River Gorge.

Stereograph of a tooth bridge along the Columbia River Gorge.

Stereograph of the Tooth Bridge, located west of Eagle Creek in the Columbia River Gorge and part of the Oregon Railway & Navigation Co.'s railroad line on the Oregon side of the Gorge, circa 1882.

Stereograph of the Tooth Bridge, located west of Eagle Creek in the Columbia River Gorge and part of the Oregon Railway & Navigation Co.'s railroad line on the Oregon side of the Gorge, 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 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 of a tooth bridge near the Upper Cascades rapids in the Columbia River Gorge.

Stereograph of a tooth bridge near the Upper Cascades rapids in the Columbia River Gorge.

Boudoir card of men at work clearing the track of the Oregon Railway & Navigation Company's railroad line along the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885.

Boudoir card of men at work clearing the track of the Oregon Railway & Navigation Company's railroad line along the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885.

Boudoir card of men at work clearing the track of the Oregon Railway & Navigation Company's railroad line along the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885.

Boudoir card of men at work clearing the track of the Oregon Railway & Navigation Company's railroad line along the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885.

Boudoir card of men at work clearing the track of the Oregon Railway & Navigation Company's railroad line along the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885.

Boudoir card of men at work clearing the track of the Oregon Railway & Navigation Company's railroad line along the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885.

Boudoir card of men at work clearing the track of the Oregon Railway & Navigation Company's railroad line along the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885.

Boudoir card of men at work clearing the track of the Oregon Railway & Navigation Company's railroad line along the Oregon side of the Columbia River Gorge during the winter storm of 1884-1885.

Boudoir card of the Oneonta Bluffs, Columbia River Gorge, during the winter storm of circa 1884-1885. Two men stand on the track of the Oregon Railway & Navigation Company's railroad line, after snow removal.

Boudoir card of the Oneonta Bluffs, Columbia River Gorge, during the winter storm of circa 1884-1885. Two men stand on the track of the Oregon Railway & Navigation Company's railroad line, after snow removal.

Boudoir card of an Oregon Railway and Navigation Company relief train passing through The Needles rock formation in the Columbia River Gorge on the Oregon side during the winter of 1884-1885. Three men stand beside the train.

Boudoir card of an Oregon Railway and Navigation Company relief train passing through The Needles rock formation in the Columbia River Gorge on the Oregon side during the winter of 1884-1885. Three men stand beside the train.

Boudoir card of the Bridal Veil Bluffs during the winter of 1884-1885. There is a railroad track at the base of the bluffs. The area is covered in snow.

Boudoir card of the Bridal Veil Bluffs during the winter of 1884-1885. There is a railroad track at the base of the bluffs. The area is covered in snow.

Men at work clearing snow from the track of the Oregon Railway & Navigation Company’s railroad line along 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.

Men at work clearing snow from the track of the Oregon Railway & Navigation Company’s railroad line along 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.

Men at work clearing snow from the track of the Oregon Railway & Navigation Company’s railroad line along 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.

Men at work clearing snow from the track of the Oregon Railway & Navigation Company’s railroad line along 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.

Men at work clearing snow from the track of the Oregon Railway & Navigation Company’s railroad line along 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.

Oregon Railway & Navigation Company relief train arriving to free the train trapped on the railroad line along 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.