...river, the main body of the Federals having fallen back beyond Harrisonburg, at which place they have a moderate-sized encampment. Their outer line of pickets extends to within sight of the town of Bridgewater , which is six or eight miles south of Harrisonburg and west of the Valley turnpike. --From that point the camp of the enemy can be plainly seen. Their force is variously estimated at from twenty t...