At the appointed hour Dwight sent the 6th Michigan, under Lieutenant-Colonel Bacon, and the 14th Maine, to the extreme left to make an attempt in that quarter, the arrangements for which have been already described; but either Dwight gave his orders too late, or the column mistook the path, or else the difficulties were really greater than they had been thought beforehand or than they afterward seemed, for nothing came of it. Then recalling this detachment to the Mount Pleasant road, Dwight tried to advance in that direction. The 14th Maine was sent back to its brigade and Clark deployed his own regiment, the 6th Michigan, as skirmishers, supported by the 128th New York, now commanded by Lieutenant-Colonel James Smith. The 15th New Hampshire followed and the 26th Connecticut, under Lieutenant-Colonel Joseph Selden, brought up the rear. These two regiments went forward in column of companies on the main road, but as the Confederates immediately opened a heavy artillery fire upon the head of the column, they had to be deployed. However, the ground, becoming rapidly narrower, did not long permit of an advance in this order, so that it soon became necessary to ploy once more into column. About 350 yards from the outer works the Mount Pleasant road enters and crosses a deep ravine by a bridge, then destroyed. The hollow was completely choked with felled timber, through which, under the heavy fire of musketry and artillery, it was impossible to pass; so here the brigade stayed till night enabled it to retire. Nickerson's brigade supported the movement of Clark's, but without becoming seriously engaged. Thus ended Dwight's movement. It can hardly be described as an assault, as an attack, or even as a serious attempt to accomplish any valuable result; yet indirectly it was the means of gaining, and at a small cost, the greatest, if not the only real, advantage achieved that day, for it gave Dwight possession of the rough hill, the true value of which was then for the first time perceived, and on the commanding position of its northern slope was presently mounted the powerful array of siege artillery that overlooked and controlled the land and water batteries on the lower flank of the Confederate defences.