Great Lakes Navigation System

(A) (i) Lake Superior;

(ii) Lake Huron;

(iii) Lake Michigan;

(iv) Lake Erie; and

(v) Lake Ontario;

(B) all connecting waters between the lakes referred to in subparagraph (A) used for commercial navigation;

(C) any navigation features in the lakes referred to in subparagraph (A) or waters described in subparagraph (B) that are a Federal operation or maintenance responsibility; and

(D) areas of the Saint Lawrence River that are operated or maintained by the Federal Government for commercial navigation.