What company owns a hydroelectric, concrete gravity dam; located on the Columbia River, between the Yakima Firing Range and a mostly decommissioned nuclear production complex operated by the United States federal government on the Columbia River in the U.S. state of Washington?
Priest Rapids Dam Priest Rapids Dam is a hydroelectric, concrete gravity dam; located on the Columbia River, between the Yakima Firing Range and the Hanford Nuclear Reservation, and bridges Yakima County and Grant County, in the U.S. state of Washington. The dam is 24 miles south of the town of Vantage, and 47 miles northwest of the city of Richland. It is located at mile marker 397.1 from the mouth of the Columbia. It is owned by the Grant County Public Utility District. Priest Rapids, for which the dam was named, are now submerged beneath the dam's reservoir.
Copperfield, Oregon Copperfield is a former town in Baker County, in the U.S. state of Oregon. It is on the west bank of the Snake River and the north bank of Pine Creek, downstream of a feature of the Snake River known as The Oxbow. Copperfield Park, managed by Idaho Power, occupies the former town site. The Geographic Names Information System lists "Copperfield" as a variant name for Oxbow, Oregon.