Photograph showing the British steamship Harpalion docked on the Willamette River at the North Bank Dock in Portland, Oregon. A man stands on deck, looking at the camera. Handwritten label on the print reads, "British S.S. 'Harpalion.' Loaded at North Bank Dock, Portland, Ore. by Northern Grain and Warehouse Co. for Strauss & Co. of London. 8500 tons Wheat and Barley - Largest Mixed Cargo ever shipped from Portland. November 29, 1913."

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.

Middle panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867.

Middle panel of Carleton Watkins' 3-part panorama of Portland, Or. Duplicate of Mammoth Plate 401, on a different mount. Condition note: Image has some rips and damage.

Middle panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Duplicate of Mammoth Plate 401, on a different mount. Condition note: Image has some stains and damage.

Middle panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867 Duplicate of Mammoth Plate 401, on a different mount.

Photograph of the Oregon Electric Railway bridge over the Willamette River at Wilsonville, Oregon. The bridge is under construction. Taken from the shore of the river, looking at the bridge. Handwriting on the back of the print reads, "Oregon Electric Ry. Wilsonville Bridge nearing completion. Frederick Prahl, General Roadmaster (died 1909), 'in charge of construction,' 1906 - 07. Presented Jan 18, 1956 by Margaret L. Chappell - granddaughter, Addie M. Sliven - daughter, 2535 Willamette Blvd. Portland 11 Ore." Postmark stamp on the back of the print reads, "Wilsonville, Sep. 17 P.M. 1907, Oregon."

Photograph showing a U.S. Navy ship (likely Battleship Oregon) docked in front of the Broadway Bridge on the Willamette River in Portland, Oregon. Crowds of people are lined up on the waterfront and on the bridge to view the ship. Stamp on the back for Arthur M. Prentiss, Commercial Photographer. Second stamp on the back reads, "Advertising Matter from General Passenger Dept., S.P.&S. Ry."

Boudoir card of a Portland neighborhood with the Willamette River in the background. There is a fence in the foreground.

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.

Photograph of the Hawthorne 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.

Right panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Duplicate of Mammoth Plate 400, on a different mount. Mt. Hood is visible.

Photograph of the Oregon Electric Railway railroad bridge over the Willamette River at Wilsonville, Oregon. Taken from the railroad tracks, looking up the tracks as they cross the river. Handwriting on back of print reads, "Oregon Electric Ry bridge over Willamette River at Wilsonville, Ore."

Photograph showing the railroad tracks of the Oregon Electric Railway near the Willamette River. The river is visible on the left. A person stands on the tracks, looking up a nearby hillside on the right. Handwriting on the back of the print reads, "OE Ry construction."

3 photos depict a panoramic view of Portland, Oregon. The Willamette River and Mount Hood are both visible. Scattered houses dot the landscape.

A panoramic view of buildings on the banks of the Willamette River near Wilsonville, Oregon. Barns and agricultural fields are visible in the distance.

A view of the Portland, Oregon, waterfront taken circa 1895 from the east end of the Morrison Bridge looking West. A handwritten description on the back of the photograph reads, "Portland waterfront 1895 - Morrison Bridge span, right."

A view of ships docked on the Portland, Oregon, waterfront, circa 1895. A flat barge loaded with logs is visible in the foreground and a steamship is docked behind it. The sign above one of the buildings reads, "Crown Paper Co." A handwritten description on the back of the photograph reads, "Portland, 1895."

Photograph of Portland, Oregon taken by Lorenzo Lorain between 1857 and 1858. There is a hewn-log cabin with a brick chimney and covered porch in the foreground. The cabin is surrounded by a field filled with stumps. Portland and the Willamette River are visible in the distance. The typed caption glued below the bristol board on the front of the photograph reads, "Portland, Oregon. 1857 or 1858. Taken By Lorenzo Lorain, U. S. A. Donated to Oregon Historical Society, 1946, by S. H. Lorain, Albany, Oregon." Handwritten captions on the back of the page read, "Portland, Oregon. Taken by Lt. Lorenzo Lorain, U.S.A. in 1857 or 1858. He Made his camera, prepared his plates, as well as the paper on which the print is made." and, "Portland, from south end, at about the foot of College Street."

Right panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Condition note: Mt. Hood has faded and is no longer visible.

Right panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Duplicate of Mammoth Plate 400, on a different mount. Condition note: Mt. Hood has faded and is no longer visible.

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.

A view of ships lined up along the Portland, Oregon, waterfront, circa 1895. A handwritten description on the back of the photograph reads, "Portland, 1895. Note line-up of steamship, riverboat, sailing ship, & ferry."

View of the Spokane, Portland, & Seattle Railway Willamette River Bridge. A handwritten note on the back for the photograph reads, "File 62 - SP&S Train crossing Willamette River Bridge."

A cyanotype of a steamboat on the Willamette River, circa 1895, with the Portland, Oregon, waterfront visible in the background. A handwritten description on the back of the photograph reads, "Steamboat on Willamette, Portland, 1895."

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 a swing bridge, possibly the Morrison Bridge, turned on its axis above the high 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.