From the record
“The Willamette Falls Locks are a lock system on the Willamette River in the U.S. state of Oregon. Opened in 1873 and closed since 2011, they allowed boat traffic on the Willamette to navigate upstream beyond Willamette Falls and the T.W.”
Wikipedia article Willamette Falls Locks, CC BY-SA 4.0.
One of 93 National Register listings published here for Clackamas County · listed in 1974 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service




