STEELTON  , a

borough of Dauphin county, Pennsylvania, U.S.A., on the Susquehanna river, 3 M . S.E. of Harrisburg . Pop . (1890), 9250; (1900), 12,086, of whom 2300 were foreign born and 1508 were negroes; (1910 census), 14,246 . Steelton is served by the Pennsylvania and the Philadelphia & Reading railways, and is connected with Hartisburg by electric line . The city has a public library . Steelton is in an agricultural. district, but its industrial importance is due primarily to the vast steel works of the Pennsylvania Steel Company . Other manufactures are flour and grist mill products, bricks, planing-mill products, &c . In 1905 the total value of the borough's factory products was $15,745,628; the capital invested in manufacturing increased from $6,266,068 in 290o to $18,642',853. in 1905, or 197.5% . There is a large limestone quarry within the borough limits . The municipality owns its waterworks and filtration plant . The place was laid out in 1866 under the name of Baldwin, but when it was incorporated as a borough, in 188o, the present name was adopted .