FILE- In this Sept. 4, 1947 file photo, an eastbound tanker, in foreground, prepares to pass a westbound one, background, after being released from a lock in the Erie Canal, in New York. Ground was broken for the Erie Canal 200 years ago, and when the 363-mile canal fully opened in 1825, it was the greatest engineering feat of the era and one that would change history. (AP Photo, File)