Breakfast; to Calvin Coolidge home, Plymouth; clean water project; National Historic Landmark plaque placed; John Coolidge tour of home; to First Congregational Church & Woodstock Historical Association; ride through Woodstock in 1911 Stanley Steamer; to Laurance Rockefeller home; lunch at Ethan Allen Hitchcock home; reception for conservationists; several speeches, including Lady Bird's; Rockefeller home becomes a National Historic Landmark; receiving line; walk; dinner; talk with Walt Rostow; Visit to the fallout shelter for 100 people in the basement of the Rockefeller Home