The Bonneville Lock and Dam is made of several dam structures on the Columbia River between Oregon and Washington. It is located 40 miles east of Portland, Oregon. Its main functions are electrial power generation and river navigation. The dam is managed by the Army Corps of Engineers.
On Aug. 21, 2017, skies darkened from Oregon to South Carolina in the first total solar eclipse visible from coast to coast across the United States in 99 years.