LEHIGH, a co. in s. Pennsylvania, having the Lehigh river for its n. and n.e. boundary; drained also by Jordan creek, running south-eastward, and emptying into the Lehigh river at Allentown; 341 sq.rn.; pop. '80, 06,220. Its surface is diversified and has features of great natural beauty, with comparatively little woodland. Its n.w. bor der is defined by the Kittatinny, or Blue, mountain and valley, the latter remarkable for its beauty and fertility. In the extreme s.e. is South mountain. It contains Delaware Water Gap in the extreme northern portion, a celebrated resort for tourists, where the Delaware river passes, through a narrow gorge hi the Blue mountains, 3 miles in length, whose sides rise 1q00 ft. above the water, and whose rocks are composed of Silurian limestone, Medina sandstone, and slate. It contains zinc and iron mines, and extensive iron works, furnaces, rolling mills, and iron foundries. Value of- pig iron in 1870. $6,194,970. It had, in 1870, 23 iron mines, employing 388 hands (140 underground), with a capital of $223,447, and annual product of $384,168. It had 12 stone quarries, employ
ing 95 hands, with a capital of $28,700 and annual product $59,995. lts leading indus tries are the manufacture of carriages, bricks, clothing, leather, tin, copper, and sheet iron ware. Among its manufactories are breweries, tanneries, refined petroleum and currying establishments, saw and flour mills. It had in 1870, 694 manufacturing estab lishments, employing 5,845 hands, with a capital of $10,276,247, and an annual product of $15,480,848. Its soil is fertile and produces fruit, wheat, and all kinds of grain. Cash value of farms in 1870, numbering 3,045, $23,555,476. Value of all live stock in 1870, $1,940,157. It is intersected by the Lehigh Valley railroad, the Lehigh and Sus quehanna. the East Pennsylvania branch of the Philadelphia and Reading railroad, and the North Pennsylvania railroad. Seat of justice, Allentown.