Chapter-17 They could not break the gray lines by direct assault and so, under cover of night, they marched through the mountain passes in a semicircle, hoping to come upon Johnston's rear and cut the railroad behind him at Resaca, fifteen miles below Dal

They could not break the gray lines by direct assault and so, under cover of night, they marched through the mountain passes in a semicircle, hoping to come upon Johnston's rear and cut the railroad behind him at Resaca, fifteen miles below Dalton.