An aerial view of Union Station in Portland, during a flood on the Willamette River. Water can be seen encroaching into a train yard above the Union Station building (negative 3 of 6).

An aerial photograph showing flood water spreading from a broken dike at N.E. 33rd Avenue. Various houses and buildings can be seen surrounded by water (negative 2 of 7).

A flooded United Airlines building in Portland, most likely at the Portland Airport near the Columbia River. Water surrounds the main building, with a smaller “West Coast Airlines” building visible to the right (negative 1 of 17).

An aerial photograph of a partially flooded orchard in Portland, following a large flooding event in 1948. Several houses can be seen in the distance, submerged in high water (negative 14 of 17).

A photograph of a crowd of people gathered on a raised platform above the flood waters in front of the Meier & Frank Department Store during the 1894 flood. A man stands in front of the platform, submerged up to his knees in the flood water.

A photograph of a crowd of people gathered on a raised platform above the flood waters in front of the Meier & Frank Department Store during the 1894 flood. A typed caption below the photograph reads, "Views of the Flood, Portland, Oregon, June, 1894."

A photograph of a crowd of people gathered on a raised platform above the flood waters in front of the Meier & Frank Department Store during the 1894 flood. Additional people are seated on a rowboat in front of the platform. Four men stand beside the boat, submerged to their hips in the flood water.

People repairing Denver Avenue at the point of a break, during a flooding event in 1948. Workers walk along the road next to a truck, being used to dump materials on top of the road. Flooded buildings and a water tower, likely at Vanport City, can be seen in the distance (negative 2 of 2).

People repairing Denver Avenue at the point of a break, during a flooding event in 1948. Several work trucks can be seen on a raised roadway, with water visible at the left side of the frame (negative 1 of 2).

Black and white photograph of buildings and railroad tracks in east Portland during the 1890 flood. Floodwater covers most of the train tracks and logs and other debris has piled up beside them. Several buildings are clustered together in the distance. In the background, the Willamette River and Downtown Portland are visible. It is taken from a boardwalk or raised sidewalk. The photograph is mounted on a grey mat that was once bound into an album. Handwritten text below the photograph reads "East Portland, Ore. Feb-5-90". The photograph was taken in February, 1890, when excessive rain and unusually warm weather caused the Willamette and Columbia Rivers to flood.

Flood damage at the Columbia-Edgewater Country Club in Portland. Wooden debris litters the ground around a pond. This photograph was published in the Oregon Journal on Sunday, August 1, 1948 (negative 3 of 11).

Flood damage at the Columbia-Edgewater Country Club in Portland. Wood debris and destroyed buildings can be seen throughout the scene, with water in the distance. Photographs from this series were published in the Oregon Journal on Sunday, August 1, 1948 (negative 1 of 11).

Flood damage at the Columbia-Edgewater Country Club in Portland. A wooden signpost can be seen high in a tree, with debris and flood water in the background. Photographs from this series were published in the Oregon Journal on Sunday, August 1, 1948 (negative 4 of 11).

Flood damage at the Columbia-Edgewater Country Club in Portland. Two people are loading wooden debris onto a truck, while other pieces of wood litter the ground. Photographs from this series were published in the Oregon Journal on Sunday, August 1, 1948 (negative 2 of 11).

The Pacific International Livestock Exposition building in Portland, surrounded by flood water (negative 3 of 12).

Flood waters surrounded the Pacific International Livestock Exposition building, near the Kenton area of Portland. The building is reflecting off the water, with “Pacific International Livestock Exposition, Horse Show, Rodeo, October 1-9 ‘48” painted across the side (negative 12 of 12).

Flood waters at the Union Stockyards in the Kenton area in Portland. A multi-level “Swift & Company” building can be seen in the distance, with other wooden houses reflected in the water (negative 1 of 12).

Submerged vehicles at near the Union Stockyards in the Kenton area of Portland, during a flooding event. A multi-story brick building can be seen in the distance, reflected in the water (negative 2 of 12).

A man sits on a set of stairs at the Union Stockyards, in the Kenton area of Portland, surrounded by water during a flood. “Davis Moorage” has been written on the stairs, with a boat floating on the water next to the building. A flooded Columbia River and a railroad bridge towards Hayden Island can be seen in the distance (negative 7 of 12).

A multi-story brick building at the Union Stockyards in the Kenton area of Portland, surrounded by water during a flood. The building is reflected on the still water. The “Swift & Company” building can be seen in the distance (negative 4 of 12).

A man rows a boat on flood water at S.W. Miles Street in Portland, during a flooding event on the Willamette River. A photograph from this series was published in the Oregon Journal on Friday May 28, 1948 (negative 12 of 13).

A woman walks through water on S.W. Miles Street, during a flooding event on the Willamette River. She carries a chair, as people evacuate from the flood zone. A photograph from this series was published in the Oregon Journal on Friday May 28, 1948 (negative 4 of 13).

People standing with a boat outside a house on S.W. Miles Street in Portland, during a flood on the Willamette River. A white picket fence can be seen in front of the house. A photograph from this series was published in the Oregon Journal on Friday May 28, 1948 (negative 2 of 13).

Movers putting furniture into a truck during a flooding event on S.W. Miles Street in Portland. Water from the Willamette River can be seen encroaching the front yard of a home. A photograph from this series was published in the Oregon Journal on Friday May 28, 1948 (negative 1 of 13).

People, wearing hip waders, loading possessions onto a trailer on S.W. Miles Street in Portland, during a flood on the Willamette River. The trailer has been backed up to a house, with water visible partway up its tires. A photograph from this series was published in the Oregon Journal on Friday May 28, 1948 (negative 3 of 13).

People stand on the front porch of a home on S.W. Miles Street in Portland, during a flood on the Willamette River. Flood waters can be seen just below the wooden porch. A photograph from this series was published in the Oregon Journal on Friday May 28, 1948 (negative 8 of 13).

Two children stand in front of a truck parked in downtown Portland, holding a jar of cash,to be used for flood relief in the Portland and Vanport areas. Painted across the truck is “Flood Relief from Cannon Beach, Tolovana, Arch Cape” (negative 1 of 1).

A train with a “Bellrose” sign at the front traveling down a track surrounded by flood water in the Johnson Creek area of Portland. A man with suitcases stands at the side of the track. A photograph from this series was published in the Oregon Journal on Wednesday, January 7, 1947 (negative 1 of 11).