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Pool-and-weir fish ladder at Bonneville Dam on the Columbia River Drone video of a fish way in Estonia, on the river Jägala FERC Fish Ladder Safety Sign. A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon, is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as ...
Bonneville Dam. Bonneville Lock and Dam / ˈbɒnəvɪl / 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. [6] The dam is located 40 miles (64 km) east of Portland, Oregon, in the Columbia River Gorge.
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The Bridge of the Gods was a natural dam created by the Bonneville Slide, a major landslide that dammed the Columbia River near present-day Cascade Locks, Oregon in the Pacific Northwest of the United States. The river eventually breached the bridge and washed much of it away, but the event is remembered in local legends of the Native Americans ...
July 18, 2007. The Allerton nature preserve is a National Natural Landmark. The Robert Allerton Park is a 1,517-acre (614 ha) park, nature center, and conference center located in the rural Piatt County township of Willow Branch, [2] (T 18 N, R 5 E) near Monticello, Illinois, on the upper Sangamon River.
The Bridge of the Gods is a steel truss cantilever bridge that spans the Columbia River between Cascade Locks, Oregon, and Washington state near North Bonneville. It is approximately 40 miles (64 km) east of Portland, Oregon, and 4 miles (6.4 km) upriver from Bonneville Dam. It is a toll bridge operated by the Port of Cascade Locks. The bridge ...
A view of the Columbia River Gorge from near the top of Mt. Hamilton, looking south from the Washington side of the gorge. On the far left side of the image, the Bonneville Dam is visible. On the left-center is the small town of North Bonneville. Behind the hills in the center of the image, the peak of Mt. Hood is just barely visible.
46.2536° N, 124.0585° W. The Columbia River Estuary is situated on the Oregon – Washington border and the Pacific Coast of the United States. It was traditionally inhabited by the Chinook Native Americans and discovered by settlers in 1788. The Estuary plays host to a plethora of species of marine and terrestrial flora and fauna, and ...