Those vessels built at Polson Iron Works displaced 320 long tons ( 330 t ) .
Were 130 feet ( 40 m ) long overall with a beam of 23 feet 5 inches ( 7.14 m ) and a draught of 13 feet 5 inches ( 4.09 m ) .
Those vessels built at Polson Iron Works displaced 320 long tons ( 330 t ) and were 130 feet ( 40 m ) long overall with a beam of 23 feet 5 inches ( 7.14 m ) and a draught of 13 feet 5 inches ( 4.09 m ) .