Columbia subject headings:
Stream measurements--Massachusetts--Statistics--Periodicals.
Stream measurements--Rhode Island--Statistics--Periodicals.
Water quality--Massachusetts--Statistics--Periodicals.
Water quality--Rhode Island--Statistics--Periodicals.
Water resources development--Massachusetts--Periodicals.
Water resources development--Rhode Island--Periodicals.
Water-supply--Massachusetts--Statistics--Periodicals.
Water-supply--Rhode Island--Statistics--Periodicals.
Harvard subject headings:
Princeton subject headings:
Periodicals.
Statistics.
Stream measurements--Massachusetts--Statistics--Periodicals.
Stream measurements--Rhode Island--Statistics--Periodicals.
Water quality--Massachusetts--Statistics--Periodicals.
Water quality--Rhode Island--Statistics--Periodicals.
Water resources development--Massachusetts--Periodicals.
Water resources development--Rhode Island--Periodicals.
Water-supply--Massachusetts--Statistics--Periodicals.
Water-supply--Rhode Island--Statistics--Periodicals.