Columbia subject headings:
Harvard subject headings:
Federal aid to water resources development--United States.
Flood control--Law and legislation--United States
United States. Army. Corps of Engineers--Appropriations and expenditures.
Water resources development--Law and legislation--United States
Princeton subject headings:
Federal aid to water resources development--United States.
Flood control--Law and legislation--United States.
United States. Army. Corps of Engineers--Appropriations and expenditures.
Water resources development--Law and legislation--United States.