Columbia subject headings:
Civil engineering--United States--Periodicals.
Harbors--United States--Periodicals.
Public works--United States--Periodicals.
Rivers--United States--Periodicals.
United States. Army. Corps of Engineers--Civil functions--Periodicals.
Harvard subject headings:
Princeton subject headings:
Civil engineering--United States--Periodicals.
Harbors--United States--Periodicals.
Periodicals.
Public works--United States--Periodicals.
Rivers--United States--Periodicals.
United States. Army. Corps of Engineers--Civil functions--Periodicals.