 Complete the following phrase:  By the 1960s, Euclid Beach was beginning to face ficial problems. In 1965, the park took two drastic measures in order to stay open. The Aero Dips roller coaster, which was the oldest in the park, was demolished. The Great American Racing Derby was also sold to Cedar Point that year. These actions were not enough to keep the park afloat. Euclid Beach Park closed forever in September 1969, after the summer season. It was one of many aging parks from another era which closed during the 1960s. Forest Park Highlands in St. Louis burned down in 1963 never to be rebuilt, New Jerseys Olympic Park closed in 1965 due to blight. 