COHOES, a manufacturing city of Albany county, New York, U.S.A., 9m. N. of Albany, on the Hudson river at the mouth of the Mohawk. It is served by the Delaware and Hudson and the New York Central railways, and by the State barge canal. The popu lation in 1920 was 22,987 (22.9% foreign-born white), and was 23,226 in 1930 by the Federal census. The output of its fac tories was valued in 1925 at $19,898,399. Water-power from the falls of the Mohawk (75ft. high and goof t. across) is supple mented by a hydro-electric plant developing 54,000 horsepower. Chief among the many manufactures are cotton and woollen knit goods, cotton fabrics, collars and shirts, machinery, wall-paper and tractors. Cohoes was part of the manorial grant made to Killian van Rensselaer, and probably it was settled soon after 1629. It was incorporated as a village in 1848 and as a city in 1869. The van Schaick manor house was the headquarters of Gen. Schuyler during part of the Revolutionary War. The old colonial military road from Albany to Ft. Edward and Lake George runs through the city.