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June 30, 1987 [5] 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.
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 ...
The John Day Dam is a concrete gravity run-of-the-river dam spanning the Columbia River in the northwestern United States. [3] The dam features a navigation lock plus fish ladders on both sides. The John Day Lock has the highest lift (at 110 feet or 34 meters) of any U.S. lock. [4] The reservoir impounded by the dam is Lake Umatilla, [5] and it ...
flow rate. 3,530 cu ft/s (100 m 3 /s) [3] Shoshone Falls ( / ʃoʊˈʃoʊn /) is a waterfall in the western United States, on the Snake River in south-central Idaho, approximately three miles (5 km) northeast of the city of Twin Falls. Sometimes called the "Niagara of the West," Shoshone Falls is 212 feet (65 m) in height, 45 feet (14 m) higher ...
Camera manufacturer: NIKON CORPORATION: Camera model: NIKON D3100: Exposure time: 1/125 sec (0.008) F-number: f/5.6: ISO speed rating: 110: Date and time of data generation: 15:58, 20 June 2013: Lens focal length: 18 mm: Horizontal resolution: 240 dpi: Vertical resolution: 240 dpi: Software used: Adobe Photoshop Lightroom 5.0 (Windows) File ...
pluvial lake (a paleolake created by a change in water balance in the basin) Etymology. Benjamin Bonneville. Surface area. ~20,000 sq mi (51,000 km 2) (at max. lake level) Max. depth. over 980 ft (300 m) Lake Bonneville was the largest Late Pleistocene paleolake in the Great Basin of western North America.
Bonneville Dam is the most downstream dam on the river, with a height of 60 m. The fish ladder was designed as a series of "cabins" using vertical gap jet diffusion and energy dissipation. Since the 1930s, a yearly average of 721,000 brood fish have crossed the dam and entered an upstream spawning ground.
The Bonneville cutthroat trout ( Oncorhynchus clarkii utah) is a subspecies of cutthroat trout native to tributaries of the Great Salt Lake and Sevier Lake. [2] Most of the fish's current and historic range is in Utah, but they are also found in Idaho, Wyoming, and Nevada. This is one of 14 or so recognized subspecies of cutthroat trout native ...
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