ST. MARYS RIVER, MICHIGAN.

SEC. 372. ST. MARYS RIVER, MICHIGAN. The project for navigation, St. Marys River, Michigan, is modified to direct the Secretary to provide an additional foot of overdraft between Point Louise Turn and the Locks, Sault Sainte Marie, Michigan, consistent with the channels upstream of Point Louise Turn. The modification shall be carried out as operation and maintenance to improve navigation safety.