(a) Section 5 of the River and Harbor Act of July 13, 1892 (27 Stat. 111; 33 U.S.C. 628), prohibits the expenditure of money appropriated for the improvement of rivers and harbors for dredging inside of harbor lines duly established.

(b) It is not the policy of the Department to expend Federal funds for the removal of wrecks or other obstructions shoreward of established harbor lines.