iron ores, 20;
lead ore, 21.
—, carburetted hydrogen springs, xv, 236; xvii, 398; xxxvi, 6.
—, Catskill Mountains, account of, H. E. Dwight, ii, 11;
rocks and petrifactions of, 12, 13;
sulphur spring, 15;
falls of the Kaaterskill, 17, 21.
—, — Mountains, account of, H. E. Dwight, ii, 11;
elevation, according to Capt. Partridge, 19;
prospect, 19;