In 1983, the New York City Landmarks Preservation Commission made Fort Tryon Park an official scenic landmark. The next year, a plan for the park's complete renovation was unveiled. The Greenacre Foundation, an organization created by John Rockefeller Jr.'s only daughter Abby Rockefeller Mauzé, donated $10 million toward the restoration in advance of the park's 50th anniversary in 1985. Among the first features to receive improvements was the Heather Garden, which was restored over three years by a partnership between the New York City Department of Parks and Recreation (NYC Parks), the Greenacre Foundation, and volunteers. The concession building was restored beginning in 1995 by the New York Restoration Project (NYRP), a nonprofit organization operated by Bette Midler, which started operating a cafe there in 2001. The Anne Loftus Playground at the park's northeast corner was also restored between 1995 and 1997, and the Javits Playground at the southern border was restored around the same time. The nonprofit Fort Tryon Park Trust was founded in 1998 to help maintain the park. In 2001, the trust raised $200,000 toward the further restoration of the Heather Garden. The Sir William Dog Run opened the same year.