A bill to authorize the Secretary of the Interior to make payment for certain improvements located on public lands in the Rapid Valley unit, South Dakota, of the Missouri River Basin project, and for other purposes.

S. 1622 in the 84th Congress (1955–1956) became law — introduced in 1955, sponsored by Francis Case.

During the 84th Congress (1955–1956), Dwight D. Eisenhower was president, and Democrats held majorities in both the House and Senate.