Sepia image. Seen from above, the Pillars of Hercules rock formation faces the Columbia River. In the left foreground is a winding road that passes between the Pillars. There are four utility poles alongside...

A black-and-white photograph showing a wooden fish wheel on the Columbia River. Across the river several buildings are visible on the shore. Forested hills rise up to the mountains. It looks as though Table...

A black-and-white photograph showing a wooden fish wheel on the Columbia River. Across the river several buildings are visible on the shore. Forested hills rise up to the mountains. It looks as though Table...

A black and white image showing dredging of the Columbia River near the site in Portland where the Interstate Bridge across the Columbia was being built. Trees bare of leaves line the riverbank. In the center...

A black and white image showing dredging of the Columbia River near the site in Portland where the Interstate Bridge across the Columbia was being built. Trees bare of leaves line the riverbank. In the center...

Colored image. Seen from above, the Pillars of Hercules rock formation faces the Columbia River. In the left foreground are winding train tracks identified as the "O. R. R. & Nav. Co. Road" that passes between...

Colored image. Seen from above, the Pillars of Hercules rock formation faces the Columbia River. In the left foreground are winding train tracks identified as the "O. R. R. & Nav. Co. Road" that passes between...

A black and white photograph of a sternwheeler identified as the "Hattie Bell", at Rooster Rock on the Columbia River. The ship lies placidly on still water, and the details of its paddlewheel, two lifeboats,...

A black and white photograph of a sternwheeler identified as the "Hattie Bell", at Rooster Rock on the Columbia River. The ship lies placidly on still water, and the details of its paddlewheel, two lifeboats,...

A colored photographic postcard. At upper left the caption in red reads "Ocean-Going Log Raft on the Columbia River". The photo is dominated by the cigar-shaped "raft" of logs chained together. A length of...