Four unidentified students sit on a grassy area with notebooks. They are likely classmates of Jerry Jiro Yasutome at the Northwest School of Photography. Handwritten note on back indicates this was taken by a student in the PM Advanced Portraits class at the Northwest School of Photography.

A female model leans against a tree trunk near an automobile. She is posing for photography students. There are trees in the background. Handwritten note on back indicates the initials "JY", likely Jerry Jiro Yasutome, and that this was taken in his PM Advanced Portrait class at the Northwest School of Photography.

Photograph of students as they photograph a female model posing in front of an automobile. Part of a class at the Northwest School of Photography. Handwritten note on back indicates this was taken by a student in the PM Advanced Portrait class at the Northwest School of Photography.

Photograph of an unidentified man pouring liquid into a container in a photography laboratory. 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.

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 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.

Aerial photograph of widespread flooding during 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 by someone named "Dixon." Likely a student at the Northwest School of Photography. This print is from the same negative or take as OrgLot762_B1F8_029.

Photograph of the Steel Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. The high water has reached the bottom of the bridge. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified 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 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.

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.

Photograph of a train crossing the Steel Bridge over the flooded water of the Willamette River in Portland, Oregon during the Vanport Flood. The high water touches the bottom of the bridge. Handwritten note on back indicates this was taken May 30, 1948. Taken by an unidentified 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 widespread flooding on the Willamette River during the Vanport Flood. Taken from the east side of the river, there is a submerged railroad 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 3 men standing on a road, looking at the damage caused by the Vanport Flood. Several apartment buildings float in the floodwater after having been lifted from their foundations. In the foreground, a power pole, debris, and the roof of a building sit in high flood water. Taken by an unidentified student at the Northwest School of Photography.

Photograph of Jerry Jiro Yasutome (center) and others processing photographs in a laboratory at the Northwest School of Photography. Taken by an unidentified student at the Northwest School of Photography.

Photograph of an unidentified man pouring liquid into a container in a photography laboratory. Taken by an unidentified student at the Northwest School of Photography.

Photograph of an unidentified man in a photography laboratory. 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 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.

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 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.

Photograph of a flooded area of the Willamette River in an industrial area of Portland, Oregon during the Vanport Flood. Taken from the east side of the river. There are several ships docked in the Willamette. Handwritten note on back indicates this was taken May 31, 1948. Taken by an unidentified student at the Northwest School of Photography.

Photograph of long lines of railroad cars in the flood water of the Vanport Flood. The railroads are underwater. Taken from the east side of the Willamette River, with the west hills of Portland, Oregon 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.