A dam or other structure impeding the natural flow of a scenic and wild river may not be constructed, operated, or maintained in a scenic and wild river, and channelization may not be undertaken, unless the Secretary specifically approves.

Added by Acts 1973, 1st Sp. Sess., c. 4, § 1, eff. Jan. 1, 1974. Amended by Acts 1975, c. 612, § 1; Acts 1984, c. 734.

Formerly Art. 66C, § 763.