claim: Mikhail Prokhorov is the former chairman of Russia's largest gold producer.
evidence: Fontana Dam is a hydroelectric dam on the Little Tennessee River in Swain and Graham counties , North Carolina , United States .. Little Tennessee River. Little Tennessee River. Graham. Graham County, North Carolina. Swain. Swain County, North Carolina. North Carolina. North Carolina. hydroelectric dam. hydroelectric dam. The dam is operated by the Tennessee Valley Authority , which built the dam in the early 1940s to accommodate the skyrocketing electricity demands in the Tennessee Valley at the height of World War II .. Tennessee Valley Authority. Tennessee Valley Authority. World War II. World War II. At 480 ft high , Fontana is the tallest dam in the Eastern United States , and at the time of its construction , it was the fourth tallest dam in the world .. The dam impounds the 10230 acre Fontana Lake , which spreads across a scenic stretch of the Little Tennessee along the southwestern boundary of the Great Smoky Mountains National Park .. Fontana Lake. Fontana Lake. Great Smoky Mountains National Park. Great Smoky Mountains National Park. The Appalachian Trail crosses the top of the dam .. Appalachian Trail. Appalachian Trail. Fontana is named for the now-inundated town of Fontana , a lumber and copper-mining hub once located at the mouth of Eagle Creek .. The town 's name was derived from the Italian word for `` fountain . ''