33 U.S.C. § 583a : US Code - Section 583A: Payment of pay and allowances of officers of Corps of Engineers from appropriation for improvements

Search 33 U.S.C. § 583a : US Code - Section 583A: Payment of pay and allowances of officers of Corps of Engineers from appropriation for improvements

Regular officers of the Corps of Engineers of the Army, and
reserve officers of the Army who are assigned to the Corps of
Engineers, who are employed primarily on duty connected with non-
military public works prosecuted under the direction of the Chief
of Engineers, including river and harbor improvements, flood
control, and other such works, shall, while so employed, be paid
their pay and allowances from the appropriation for the works upon
which they are employed.