33 U.S.C. § 59a — Back Cove, Portland, Maine

(a) Portion declared nonnavigable. The part of Back Cove at Portland, Maine, lying south of a line across the twelve-foot federal project channel in Back Cove, twenty-five hundred feet upstream from the Tukey Bridge, running to the head of Back Cove, is declared a nonnavigable water of the United States within the meaning of the Constitution and laws of the United States. (b) Portion abandoned. That same southern part of the twelve-foot federal project channel in Back Cove, lying south of the line twenty-five hundred feet upstream from the Tukey Bridge to the head of Back Cove, a distance of about thirty-five hundred feet, is abandoned. (c) Preservation of right to alter, amend or repeal section. Congress expressly keeps the right to alter, amend, or repeal this section.