Negative of a photographic postcard showing an aerial view of Portland University, known today as the University of Portland. There are several buildings and large fields. A portion of the Willamette River is visible at the top of the frame. Handwriting on negative reads, "Portland University - Portland, Ore. Christian 11-855A." This phrase is written twice on the negative.

Negative of a photographic postcard showing an aerial view of the Crooked River Gorge in Oregon. Two bridges cross the gorge, including the Crooked River High Bridge. Handwriting on negative reads, "Crooked River Gorge - The Dalles-Calif. Hwy. Christian S-478."

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.

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.

Aerial photograph of widespread flooding in Vanport during the Vanport Flood. Several apartment buildings float in the floodwater after having been lifted from their foundations. In the foreground, Denver Avenue and Vanport ramp are visible. Handwritten note on back indicates this was taken May 31, 1948 by a someone named "Vail." Likely 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 a someone named "Vail." Likely 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 a someone named "Vail." Likely 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 a someone named "Vail." Likely 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 a someone named "Vail." Likely a student at the Northwest School of Photography.

Album of photographs documenting the construction of the south Umpqua River Jetty in Reedsport, Oregon. The photographs were taken between 1933 and 1934 and photographers include Brubaker Aerial Surveys and John Stilanos.

Aerial photograph of the mouth of the Umpqua River area during the construction of the Umpqua River Jetty.

Aerial photograph of the mouth of the Umpqua River area during the construction of the Umpqua River Jetty.

Aerial photograph of Long Beach, Washington and Willapa Bay, looking north. The Pacific Ocean is visible on the left and there are clouds in the sky.

Aerial photograph of Long Beach, Washington and Willapa Bay, looking south. The Pacific Ocean is visible on the right and some clouds are visible on the left.

Aerial photograph of North Head, Washington and the Columbia River Jetties, looking south. The caption on the photograph reads, "-300 - M. C. R. Looking south across Cape Disappointment, entrance and south jetty, June 10, 1935. 1:15 P. M. gage at Fort Stevens 1.8."

Aerial photograph of Baker Bay and Sand Island, looking west.

Aerial photograph of Tongue Point and the Astoria waterfront. The caption on the photograph reads, "L 178 Tongue Point and Astoria, Oregon, looking west. Youngs Bay, Mouth of Lewis and Clark River and ocean in distance. Taken May 30, 1926 about 1:00 PM. Elevation approximately 3,500'."

Aerial photograph of the Astoria Business District and docks, looking west. The photograph shows land divided into plots and the surrounding water.

Aerial photograph of the Astoria Airport and Youngs Bay. The airport runway is visible in the middle of the photograph.

Aerial photograph of the Astoria docks and peninsula, looking east. The photograph shows land divided into plots and docks and boats floating in the surrounding water.

Aerial photograph of the mouth of the Columbia River. The photograph shows jetties and a mountain in the distance, likely Mount Saint Helens.

Aerial photograph of Seaside and Clatsop Beach, looking north. The Pacific Ocean is visible on the left. The mouth of the Necanicum River is visible.

Aerial photograph of Gearhart with Tillamook Head in the distance, looking south. The mouth of the Necanicum River and the Pacific Ocean are visible.

Aerial photograph of Tillamook Head looking north toward Cannon Beach.

Aerial photograph of Cannon Beach and the Tillamook Rock Lighthouse.

Aerial photograph of Neahkahnie Mountain, Short Sand Beach, Cape Falcon, and Cannon Beach. The photograph was taken looking north. The Pacific Ocean is visible on the left.

Aerial photograph of the Nehalem Jetties. The Pacific Ocean and the mouth of the Nehalem River is visible.

Aerial photograph of Rockaway Beach, looking north. The main road and Pacific Ocean are visible. There are clouds in the sky.