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.

Photograph of people in a boat surveying the damage of the Vanport Flood. Behind them, an apartment building floats in the floodwater after having been lifted from its foundation. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified 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 people gathering on a road near an affected area of the Vanport Flood. Two boats are on the road. Behind them, destroyed buildings and debris are visible in the flood water. Taken by an unidentified student at the Northwest School of Photography.

Photograph of the Burnside Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of construction workers at a work site. Two trucks labeled, "Ross Island Premix Concrete," are on-site, and one pours concrete. Handwritten note on back indicates this was taken September 23, 1947. Note also indicates the initials "JY", likely Jerry Jiro Yasutome, and that this was taken in one of his PM classes at the Northwest School of Photography.

Photograph of debris in a shaded area of the Vanport Flood. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified student at the Northwest School of Photography.

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.

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.

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 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 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.

Aerial photograph looking down on flooded buildings and debris in Vanport during the Vanport Flood. Several apartment buildings float in the floodwater after having been lifted from their foundations. The cloverleaf roads in the bottom left corner are south of the Interstate Bridge. Handwritten note on back indicates this was taken May 31, 1948 by someone named "Vail." Likely a student at the Northwest School of Photography.

Photograph of debris and a flooded apartment building in the water of the Vanport Flood. On the left, the apartment building floats in the water after having been lifted from its foundation. On the right, debris and other flooded buildings are visible in the background. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of a large pile of debris in front of a destroyed apartment building in the water of the Vanport Flood, 1948. Several apartment buildings float in the floodwater after having been lifted from their foundations. Photograph is slightly blurry. Two handwritten notes on back read, "Jerry," and "Doyle," indicating this was possibly taken by either Jerry Jiro Yasutome or another 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.

Photograph of debris and a destroyed building in the water of the Vanport Flood, 1948. The building floats in the floodwater after having been lifted from its foundation. There are 2 people on the roof. Buses line the side of a road in the background. Photograph is slightly blurry. Two handwritten notes on back read, "Jerry," and "Doyle," indicating this was possibly taken by either Jerry Jiro Yasutome or another 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 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 debris and flooded buildings in the water of the Vanport Flood. Several apartment buildings float in the floodwater after having been lifted from their foundations. Two water towers rise in the background. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified 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 debris and destroyed buildings in the water of the Vanport Flood. In the foreground, the roof of a building emerges from water. In the background, several apartment buildings float in the floodwater after having been lifted from their foundations. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of debris and destroyed buildings in the water of the Vanport Flood. Several apartment buildings float in the floodwater after having been lifted from their foundations. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified 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 3 men standing on a walkway overlooking widespread flooding during the Vanport Flood. A group of people stand near a boat on the right and an empty boat sits on the grass in the foreground. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified 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 widespread flooding of the Willamette River at Oaks Amusement Park in Portland, Oregon during the Vanport Flood. Taken by an unidentified student at the Northwest School of Photography.

Photograph of the Hawthorne Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. The draw bridge is up and a boat passes underneath. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified student at the Northwest School of Photography.