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| A fisheries biologist counts salmon migrating upstream to spawn as the fish move through the Bonneville Dam fish ladders. Image ID: 19364 Location: Columbia River, Bonneville Dam and Locks, Oregon, USA | A fisheries biologist counts salmon migrating upstream to spawn as the fish move through the Bonneville Dam fish ladders. Image ID: 19365 Location: Columbia River, Bonneville Dam and Locks, Oregon, USA | A fisheries biologist counts salmon migrating upstream to spawn as the fish move through the Bonneville Dam fish ladders. Image ID: 19366 Location: Columbia River, Bonneville Dam and Locks, Oregon, USA |
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| A fisheries biologist counts salmon migrating upstream to spawn as the fish move through the Bonneville Dam fish ladders. Image ID: 19367 Location: Columbia River, Bonneville Dam and Locks, Oregon, USA | A fisheries biologist counts salmon migrating upstream to spawn as the fish move through the Bonneville Dam fish ladders. Image ID: 19368 Location: Columbia River, Bonneville Dam and Locks, Oregon, USA | Bonneville Lock and Dam consists of several dam structures that together complete a span of the Columbia River between the US states of Oregon and Washington. The dam is located 40 miles east of Portland, Oregon, in the Columbia River Gorge. The primary functions of Bonneville Lock and Dam are those of electrical power generation and river navigation. Image ID: 19370 Location: Columbia River, Bonneville Dam and Locks, Oregon, USA |
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