“ HARTFORD CITY, a city and the county-seat of Blackford county, Indiana, U.S.A., 62 m. N.E. of Indianapolis. Pop. (1890) 2287; (1900) 5912 (572 foreign-born) ; (1910) 6187. The city is served by the Fort Wayne, Cincinnati & Louisville, and the Pittsburg, Cincinnati, Chicago & St Louis railways, and the Indiana Union Traction line (electric) . There are oil and natural gas wells in the vicinity, and the city has pulp and paper mills, glass and tile works, and manufactories of woodenware, and nitro-glycerine and powder. The municipality owns and operates its water-works system. ”