...(on the north side of the Potomac), even if it became necessary to mass his whole force there. The reasons given by him to the writer for not doing so were: (1) That his orders required him to hold Harper's Ferry , and this would be a violation of such orders; (2) that water would be inaccessible. Moreover, it was manifest that if the town of Harper's Ferry and the defensive line on Bolivar Heights were evac...