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 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 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 photograph of a line of sandbags holding back flood waters in downtown Portland, Oregon. Union Station and the railroad yards are visible submerged in floodwater in the background. Several unidentified men are working to help reinforce the sandbag wall at various point. The back of the image is stamped with, "Camera Art Studio 4706 N. E. Glisan VE, 3866 Portland, 13, Oregon. 3810 23."

A photograph of a line of sandbags holding back flood waters in downtown Portland, Oregon. Union Station and the railroad yards are visible submerged in floodwater in the background. Several unidentified men are working to help reinforce the sandbag wall at various point. The back of the image is stamped with, "Camera Art Studio 4706 N. E. Glisan VE, 3866 Portland, 13, Oregon. 3810 25."

Photograph of flooding at Union Station in Portland, Oregon during the Vanport Flood, 1948. Handwritten note on back reads, "Jerry," indicating this was likely taken by Jerry Jiro Yasutome when he was a student at the Northwest School of Photography.

Photograph of a steam locomotive in flood water just outside Union Station in Portland, Oregon during the Vanport Flood. Widespread flooding is visible in the area around Union Station. A long line of sandbags is visible on the left. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified student at the Northwest School of Photography.