Nightime photograph of an area affected by the Vanport Flood. Billboards and buildings are reflected in the flood water. 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 flood water surrounding a long building 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 debris and destroyed buildings in the water of the Vanport Flood, 1948. Several apartment buildings float in the floodwater after having been lifted from their foundations. 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 4 people in a row boat navigating around debris in the Vanport Flood, 1948. Behind them, an apartment building floats in the floodwater after having been lifted from its foundation. 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 destroyed apartment building floating in a sea of debris in the water of the Vanport Flood, 1948. The building was lifted from its foundation by the flood. 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.

Nightime photograph of a flooded area of the Willamette River in Portland, Oregon during the Vanport Flood. Union Station and the Broadway Bridge are both visible. 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 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 the Staff Jennings building in the flood water of the Vanport Flood, 1948. A sign on the building states that the company sells boats, motors, and marine equipment. 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 several people in a boat next to a flooded apartment building during the Vanport Flood, 1948. One person has their hands on the roof of the building while the others look inside an open window. Several surrounding apartment buildings float in the floodwater after having been lifted from their foundations. 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.

Nightime photograph of an area affected by the Vanport Flood. A sign in the foreground reads, "Dirt Wanted. Dump Here." In the background is a large building surrounded by water and a sign pointing the way to Portland Meadows. 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 debris and destroyed buildings in the water of the Vanport Flood, 1948. Several apartment buildings float in the floodwater after having been lifted from their foundations. In the foreground, the long roof of a building is visible above the water. 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 people spreading dirt on top of sandbags on the west bank of the Willamette River in Portland, Oregon to control flooding during the Vanport Flood. Union Station and the Steel Bridge are visible in the background. 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 debris and destroyed buildings in the water of the Vanport Flood, 1948. Several apartment buildings float in the floodwater after having been lifted from their foundations. Three water towers are visible in the background. 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.