Dredge "Clackamas" in Portland Harbor - 1929


Dredge "Clackamas" in Portland Harbor

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The 3,400 hp diesel electric dredge "Clackamas" shown here was launched in 1925, and at that time was the largest diesel electric dredge in the world. Its 30 inch diameter discharge pipe trailing into the distance was 7,800 feet long.

The Clackamas joined a history of dredging on the Willamette River that began in 1871, two years before the completion of the Willamette Falls Locks. Dredging on the Willamette and Columbia continues to this day in order to maintain enough depth in the shipping channels to support modern vessels.

-- This photo is restored and printed by Old Oregon.

Additional Information

Item Number AA1322
Photographer Unknown
Location Portland, Multnomah County
Subject Docks and Harbors, Ships and Boats, Town Views
Decade 1920s
Print Maker Old Oregon
Original Type Larger Print
Size of Original 6.1 x 9.3 inches
Photographer's Number No