LOCATION.--Lat 43°36'34.3", long
        73°44'15.0" referenced to North American Datum of
        1983, Warren County, NY, Hydrologic Unit 02020001, on right
        bank 30 ft upstream from highway bridge, 0.6 mi upstream from
        Alder Brook, 6.4 mi downstream from dam at Starbuckville, and
        11.8 mi downstream from Schroon Lake, at Riverbank.
        DRAINAGE AREA.--527 mi².
        PERIOD OF RECORD.--Annual maximum only--1908-25, 1987 to
        current year, continuous record--1926-70. October 2017 to
        current year (gage heights only).
        GAGE.--Water-stage recorder and crest-stage gage. Datum
        of gage is 699.31 ft above NGVD of 1929 and 699.10 ft above
        NAVD of 1988.
        EXTREMES FOR PERIOD OF RECORD.--Maximum discharge,
        12,100 ft³/s, Mar. 21, 1936, gage height, 12.18 ft, from
        floodmarks.