Question: 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?
Sentence (from "Hanford Site"): The Hanford Site is a mostly decommissioned nuclear production complex operated by the United States federal government on the Columbia River in the U.S. state of Washington.
Relevant evidence: Yes