... of the high land around to the short bend in the Mystic river, where Dunning's coal wharf is at present located; then to the south, through nearly the centre of the Broadway park; around the base of Mount Benedict ,—now nearly dug away,—across the foot of Austin street, where the gate-house may still be seen; then nearly parallel to Main street, Charlestown, to the Neck, where it passed under Main s...