Garrett, the W. county of Maryland, bordering on Pennsylvania and West Virginia, from which it is separated on the S. by the Potomac river, formed in 1872 from Allegany co.; area, 690 sq. m.; pop. in 1872, 10,857. It is watered by the Youghiogheny and affluents of the Potomac. The surface is very mountainous, and is covered with extensive forests. Bituminous coal, iron ore, limestone suitable for the manufacture of cement, and fire-brick clay abound. The high glade lands are suitable for pasture, and are productive of hay, grain, and potatoes. The county is traversed by the Baltimore and Ohio railroad. Capital, Oakland.