Act of Congress approved August 19, 1921, referred to in subsec. (a), is act Aug. 19, 1921, ch. 72, 42 Stat. 171, which is not classified to the Code.

The Federal Power Act, referred to in subsec. (c), which was in the original the “Federal Water Power Act”, is defined in section 617k of this title. For further details, see note set out under section 617k of this title.

The Upper Colorado River Basin Compact signed by the States of Arizona, Colorado, New Mexico, Utah, and Wyoming on October 11, 1948, was approved by Congress Apr. 6, 1949, ch. 48, 63 Stat. 31.