House boats on the Willamette River at the Holgate moorage, during a flooding event. Boats for the Portland Harbor Patrol are being used to block house boats from floating logs, while a woman watches from a porch (negative 4 of 10).

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).

Two men stand on a wooden dock at the Portland waterfront, during a high water event. The water level can be seen approaching the dock on which the workers stand, above which is another level holding wooden pallets (negative 10 of 20).

A view of the Willamette River in Portland, during a high water event. Looking west, downtown Portland and the west hills can be seen beyond the water, which is bordered by a seawall. The Portland Power and Light building, at 920 S.W. 6th Avenue, is visible in the distance, topped with a large “Light” sign (negative 18 of 20).

Two men ride on a small boat under the Burnside Bridge, during a high water event in Portland. The pair is about to pass under the bridge, with the older Morrison Bridge and Hawthorne bridges visible in the distance, spanning the Willamette River (negative 3 of 20).

High water on the Willamette River during a high water event in Portland. The water can be seen at the bottom of the warehouse building for “Rudie Wilhelm” outside which a boat is moored (“Mike Laudenklos”). Fire Boat Station No. 1 can also be seen, with water just below the level of its dock (negative 5 of 20).

A flooded Willamette River in Portland, flowing under the second Morrison Bridge. Looking west, downtown Portland can be seen at the other side of the water, including the Jackson Building. This photograph was published in the Oregon Journal on Tuesday, January 1, 1946 (negative 1 of 3).

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).

A flooded Willamette River in Portland. Two wooden buildings and several boats are surrounded by water and logs, while downtown and the second Morrison Bridge can be seen in the distance. Photographs from this series were published in the Oregon Journal on Tuesday, January 1, 1946 (negative 2 of 3).

A flooded Willamette River in Portland, taken under the Morrison Bridge, and looking towards the Burnside and Steel Bridges. This photograph was published in the Oregon Journal on Tuesday, January 1, 1946 (negative 3 of 3)

A line of house boats on the Willamette River at the Holegate moorage in Portland. A line of logs can be seen next to the boats, with a larger log floating further in the river (negative 8 of 10).

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).

High water on the Willamette River during a high water event in Portland. A cement docking area can be seen extending towards the camera, with one end of the Burnside Bridge visible in the distance. Several warehouse buildings are next to the river (negative 1 of 20).

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).

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).

A view of the Willamette River during a high water event, looking south towards the old Morrison Bridge. Beyond the bridge is the Hawthorne Bridge and Oregon Journal building on S.W. Front Avenue. The water can be seen close to the bottom of the Morrison Bridge (negative 6 of 20).

Two men on a small boat approach the Steel Bridge, during a high water event in Portland. Looking north, the Broadway Bridge can be seen upriver. The water appears to be approaching towards the bottom of the bridge (negative 9 of 20).