...orm their part in the investment and capture of Harper's Ferry, they commenced a forced march, and, making a large circuit by way of Boonsboroa, Williamsport, and Martinsburg, reached the vicinity of Harper's Ferry , from the Virginia side, on the thirteenth. Sunday, the fourteenth, the brigade moved down the Winchester Railroad, on the left bank of the Shenandoah, and were engaged during the night, until two o'...