TEXARKANA  , two adjoining cities forming one community, situated on either

side of the boundary line between Arkansas and Texas, U.S.A., about 165 m . E. by N. of Dallas, Texas; Texarkana, county-seat of Miller county, Arkansas, pop . (l000) 4914, of whom 120 were foreign-born and 2078 were negroes; (1910) 5655; Texarkana, Bowie county, Texas, pop . (rgoo) 5256, of whom 192 were foreign-born and 1964 were negroes; (1910) 9790 . Texarkana is served by the Kansas City Southern (Port Arthur Route), the Texas & Pacific (of which it is the eastern terminus), the St Louis, Iron Mountain & Southern (Iron I ountain Route, the southern terminus), and the St Louis South, Western (Cotton Belt Route) railways . The public buildings are two city halls, a well-designed Post Office, which stands on the state line and serves both cities, a county court house (on the Arkansas side), and a Federal court building (on the Texas side) . The chief trade is in lumber (especially hard woods, such as white oak and ash), cotton, cotton-seed oil and hides . Natural gas is piped here from the Caddo gas-fields, about 48 m . S., in Louisiana . The first permanent settlement here was made in 1874; Texarkana, Texas, was incorporated in 1875, and Texarkana, Arkansas, in 1881 .