Photograph showing a spillway structure during the 1964 Christmas flood (taken December of 1964). Water can be seen rapidly spilling down the structure, with a small building visible at the far side of the river. High water levels can be seen upriver, in addition to forested hillsides and trees.

An aerial view of the Bonneville Dam during a flood on the Columbia River. High water can be seen reaching towards the top of the dam structure (negative 10 of 21).

An aerial view of the Sandy River in Troudale, during a flood. Looking southeast, two bridges can be seen crossing the river (negative 1 of 6).

An aerial view of a flood on the Sandy River in Troutdale. A bridge over the river, at the Historic Columbia River Highway, can be seen over the river, with flooded buildings visible throughout the frame (negative 2 of 6).

An aerial view of a flooded roadway near Troutdale, most likely on the Columbia River. Cows can be seen on the road (negative 5 of 6).

An aerial view of flooded building on the Columbia River, in the Dalles, Celilo,or Bonneville area (negative 7 of 21).

An aerial view of a flooded Columbia River at the Narrows, east of the Dalles. Swiftly moving water can be seen by rocky outcrops, and flooding two large buildings in the distance. This photograph was published in the Oregon Journal on Tuesday, June 1, 1948 (negative 1 of 21).

An aerial photograph of flood waters during the Vanport flood. Several apartment buildings that were lifted from their foundations by the water are visible among other debris in the lower left corner of the image. Vanport City, once the second largest city in Oregon, was destroyed by a flood on May 30, 1948 when water breached a nearby section of the dike along the Columbia River. This photograph was part of a series of selected snapshots of "Vanport City, Ore. Destroyed by the Mighty Columbia River," sold as a set after the flood.

An aerial photograph of flood waters during the Vanport flood. The interstate bridge and a railroad bridge are visible in the distance. Vanport City, once the second largest city in Oregon, was destroyed by a flood on May 30, 1948 when water breached a nearby section of the dike along the Columbia River. This photograph was part of a series of selected snapshots of "Vanport City, Ore. Destroyed by the Mighty Columbia River," sold as a set after the flood.

An aerial photograph of flood waters during the Vanport flood with Mount St. Helens visible in the distance. Vanport City, once the second largest city in Oregon, was destroyed by a flood on May 30, 1948 when water breached a nearby section of the dike along the Columbia River. This photograph was part of a series of selected snapshots of "Vanport City, Ore. Destroyed by the Mighty Columbia River," sold as a set after the flood.

An aerial photograph of flood waters during the Vanport flood. Several flooded buildings and the flooded railway bridge are visible in the image. Vanport City, once the second largest city in Oregon, was destroyed by a flood on May 30, 1948 when water breached a nearby section of the dike along the Columbia River. This photograph was part of a series of selected snapshots of "Vanport City, Ore. Destroyed by the Mighty Columbia River," sold as a set after the flood.

An aerial photograph of flood waters during the Vanport flood. Several apartment buildings that were lifted from their foundations by the water are visible among other debris in the center of the image. Vanport City, once the second largest city in Oregon, was destroyed by a flood on May 30, 1948 when water breached a nearby section of the dike along the Columbia River. This photograph was part of a series of selected snapshots of "Vanport City, Ore. Destroyed by the Mighty Columbia River," sold as a set after the flood.

An aerial photograph of flood waters during the Vanport flood. Several apartment buildings that were lifted from their foundations by the water are visible floating among other debris in the the image. Vanport City, once the second largest city in Oregon, was destroyed by a flood on May 30, 1948 when water breached a nearby section of the dike along the Columbia River. This photograph was part of a series of selected snapshots of "Vanport City, Ore. Destroyed by the Mighty Columbia River," sold as a set after the flood.

Agnes and Delores Skovgaard standing behind a picket fence in front of their apartment in Vanport, Oregon. They are sorting through personal items after residents were allowed back into Vanport following the Vanport flood. The caption on the photograph reads, “My Mother, Netta and Sister, Delores, trying to sort out any savable items from apartment.”

Agnes Skovgaard sorting through personal items after residents were allowed back into Vanport, Oregon following the Vanport flood. Caption on the image reads, “My mother sorting through personal items after the flood to see if anything was worth saving. Very little.”

A man points downward at a water boil on a dike in the Blue Lake and Troutdale area. The boil has been surrounded by a ring of sandbags (negative 5 of 16).

People moving dirt on a dike in the Blue Lake and Troutdale area, during a flood event. Piles of dirt can be seen along the shoulder of a raised dirt road (negative 1 of 16).

Bundles of shovels on a pile on dirt, used during dike work in the Blue Lake and Troutdale area (negative 8 of 16).

People building up a sandbag barrier at a dike in the Blue Lake and Troutdale area. Two people sit in a vehicle in an area being inundated with water (negative 13 of 16).

People next to a water boil on a dike near Blue Lake and Troutdale. One man is climbing a utility pole while others water from the ground. The water boil is surrounded by several rings of sandbags (negative 6 of 16).

Photograph showing a cable car during the “Great Flood of Portland” in 1894. Several men and women sit in the car, and four men stand in the water, all looking at the camera. On the right side, a woman and a baby are visible. The photograph is a reproduction of a pinned image (pins can be seen on the frame), and the caption reads “Photos, of the Great Flood of Portland, Or. June 4th 1894.” Also on the caption is written “Pro. G. L. Eastman Cor, First and Taylor Streets.”

This photograph depicts two vehicles (one in the background) driving through a flooded area of land. A measuring pole is visible to the left of the road, indicating the height of the rising water.

Photograph taken during a flood at Cazadero Dam/Station G. A large amount of water flows down the spillway on the left side of the image, and the flume is visible across the water.

Photograph showing the Cazadero Dam during a flood, before the placement of a new apron. Fast flowing water spills over the dam.

Photograph showing the flume at Cazadero Dam/Station G during a flood. Rapidly moving water is visible in the Clackamas River below the flume, and a wooden building can be seen on a hillside above.

Photograph showing damage to a fenced area due to the 1964 Christmas Flood (likely in the Clackamas River area). An man-made canal can be seen on the right side of the frame, with damaged fencing running along the river to the left. Much of the fencing appears to have fallen downhill towards the rapidly moving river. In the foreground, two men in long jackets face away from the camera. (Image note: see related image PGE 64-606-8.2).

Photograph showing damage to a hillside, fence, and canal. At the left side of the frame is a rapidly flowing river (likely the Clackamas River), with a deteriorated hillside on its banks.