A. Hall and Sons Terra Cotta produce in its kilns the terra cotta for a bulding that has been a National Historic Landmark since what year?
A. Hall and Sons Terra Cotta: A. Hall and Sons Terra Cotta was founded in 1846 in Perth Amboy, New Jersey due to Perth Amboy's rich supplies of clay. A. Hall and Sons Terra Cotta:  The company, always located at 59 Buckingham Avenue, changed its name to the Perth Amboy Terra Cotta Company and then to Atlantic Terra Cotta which, as the preeminent terra cotta producer in the United States, went on to produce in its kilns the terra cotta for such notable buildings as the United States Supreme Court, the Philadelphia Museum of Art, and the Woolworth Building. Woolworth Building: The Woolworth Building, at 233 Broadway, Manhattan, New York City, designed by architect Cass Gilbert and constructed between 1910 and 1912, is an early US skyscraper. Woolworth Building:  It has been a National Historic Landmark since 1966, and a New York City landmark since 1983.
1966