A postcard depicting the flood water around Union Station during the Vanport flood. The photograph is taken from a high vantage point and shows the water surrounding union station, the railroad yards, and nearby buildings. The Steel Bridge is also visible in the distance. The image caption reads, "Flood waters " Portland, Ore. Christian V 15."

A postcard of rising flood water around Union Station during the Vanport flood. Several unidentified people working to fill sandbags are visible at the front of the building. A crowd of onlookers observe the flood waters from the railing of the Steel Bridge. The image caption reads, "Flood Waters Union Station " Portland, Ore. Christian V-12."

A postcard depicting damage caused by flood waters during the Vanport flood. In the image several apartment buildings which were lifted from their foundations by rising water are seen floating among debris. Several unidentified people are visible standing on rooftops, climbing on debris, and in boats. The image caption reads, "Flood destruction - Vanport, Ore. Christian V-10."

A postcard depicting flooded trains in the railroad yards during the Vanport flood. The Image caption reads, "Flood Waters Railroad Yards, Portland, Ore. Christian V-14."

A postcard depicting damage caused by flood waters during the Vanport flood. In the image several apartment buildings which were lifted from their foundations by rising water are seen floating among debris. The image caption reads, "Flood destruction Vanport, Ore. Christian V-11."

A photograph of several unidentified people climbing through debris left by the Vanport flood. In the distance, people are visible standing on the roofs of flooded apartment buildings lifted from their foundations by the water. 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.

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 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.

A photograph depicting damage done by the Vanport flood. Several unidentified people walk across rooftops and piled debris left after flood waters lifted buildings from their foundations. 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 damage to Jantzen Beach Amusement Park during the Vanport flood. 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.

A photograph of several unidentified people gathered at the edge of the flood waters during the Vanport flood. Another group of people is visible standing on the roof of one of the flooded apartment buildings 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 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 envelope containing commemorative photographs taken during the Vanport flood in 1948. The envelope is white with red lettering that reads, "10 Selected Snapshots 50C. Vanport City, Ore. Destroyed by the Mighty Columbia River. May 30, 1948." 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.

Pencil sketch of a large cliff near Rooster Rock. Water and trees are visible below.

Official Ballot for Precinct No. 1, Multnomah County, Oregon, November 5, 1912. The ballot includes candidates for national, state, and local offices as well as a number of state and local ballot initiatives. Most notable among them, an initiative petition for an equal suffrage amendment to extend the right of suffrage in the state of Oregon to Women.

Broadside printed in green text detailing the provisions of Civilian Exclusion Order No. 46 issued by General J. L. Dewitt. It is directed towards Japanese Americans living in Clackamas and eastern Multnomah Counties. The notice reads that "all persons of Japanese ancestry, both alien and non-alien, will be evacuated from [all of Clackamas County and Multnomah County east of 122nd Avenue] by 12 o'clock noon, P.W.T., May 12, 1942." The notice contains instructions for how Japanese Americans should report to the Civil Control Station located on the Gresham Fairgrounds "to receive further instructions" between 8:00 AM and 5:00 PM on either May 7th or May 8th, along with guidelines of what possessions they may or may not bring with them.

A circular alleging that Captain William S. Powell has committed multiple offenses. Includes a list of charges and specifications of misconduct against Captain Powell. The charges are certified by 49 undersigners.