Cascade Locks and Canal
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The Cascade Locks and Canal was a navigation project on the Columbia River between the U.S. states of Oregon and Washington, completed in 1896. It allowed the steamboats of the Columbia River to bypas
Dalles City and Regulator in Cascade Locks
Cascade Locks, circa 1897, looking east, locks are functioning but bank work is still ongoing
Cascade Locks, circa 1897, looking south and downriver across lower lock
Cascade Locks, circa 1897, looking south, showing middle lock and lockmaster and engineer buildings on embankment on south side
Bonneville Dam
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Bonneville Lock and Dam consists of several run-of-the-river dam structures that together complete a span of the Columbia River between the U.S. states of Oregon and Washington at River Mile 146.1. Th
Cascade Locks and Canal
…and thereby opened a passage from the lower parts of the river as far as The Dalles. The locks were submerged and rendered obsolete in 1938, when the Bonneville Dam was constructed, along with a new set of locks, a short way downstream. As rail competition grew, and forced steamboats off their old routes, shippers…
Spillway structure
Bonneville Lock & Dam, 1937
Bonneville Dam, 1938
Bonneville Lock, 1938