Section is based on sections 1 and 3 of act Apr. 4, 1910, and section 1 of act Aug. 1, 1914.

A provision in act Aug. 1, 1914, appropriated a specific sum for the construction, repair, etc., of ditches, reservoirs, etc., and for the pay of designated officials and employees.

1982—Pub. L. 97–293 struck out provisions requiring Secretary of the Interior to transmit annual cost accounts to Congress of all moneys expended on each irrigation project.

1946—Act Aug. 7, 1946, discontinued provisions requiring Secretary of the Interior to transmit annual cost accounts to Congress of all moneys expended on each irrigation project.