Columbia subject headings:
Military engineering.
United States. Army. Corps of Engineers. Fort Worth District--History.
Water resources development--Southwestern States.
Harvard subject headings:
Civil engineering--Southwestern States--History.
Military engineering--Southwestern States--History.
United States. Army. Corps of Engineers. Fort Worth District--History.
Water resources development--Southwestern States--History.
Princeton subject headings:
Military engineering.
United States. Army. Corps of Engineers. Fort Worth District--History.
Water resources development--Southwestern States.