The easements granted in section 597a of this title shall not interfere with the use by the Indians of the Wind River or Shoshone Indian Reservation of the lands dealt with in sections 597a to 597d of this title and the waters of Bull Lake Creek and the reservoir insofar as the use by the Indians shall not be inconsistent with the use of said lands for reservoir purposes.
(Mar. 14, 1940, ch. 51, § 3, 54 Stat. 49.)