...rces on Gettysburg. Heavy columns of the enemy were soon encountered. Davis's and Archer's Brigades were soon smashed, and Archer, with a good many of his men, made prisoners. The enemy, says General Heth , had now been felt and found to be in heavy force. The division was now formed in line of battle, etc. The object of a reconnoissance is to get information; after getting the information the at...