BIRCH-DALE

SPRINGS, n. Bu'rch’dal. Four springs (the Concord, Merrimack, Granite, and Penacook) in Concord, New Hampshire. According to an analysis by C. F. Chandler, the water of the Concord spring contains sodium, magnesium, fron, and calcium carbonates, sodium chloride, pota ium and sodium sulphates, sodium phosphate, alumina, silica, and organic matter. [A, 363.]