Birkenfeld

Birkenfeld, a principality of W. Germany, assigned to Oldenburg by the treaty of Vienna, but actually enclosed in Rhenish Prussia. The area is 143 square miles, most of it being covered by hills and forests. The principal river is the Nahe. Cattle, hemp, flax, and oil seeds are the chief products, but coal and iron are worked to some extent. The chief town has the same name, and stands about 25 miles S.E. of Treves. It manufactures linen, woollen, and leather goods.