...veral men at each wheel. One-third of the hill was thus surmounted, but there is a limit to human and equine endurance, and the two guns and their caissons stalled hopelessly. Fortunately some of Imboden 's cavalry were just passing at the foot of the hill on Church street. They saw the trouble, and knowing how important it was to get those useful guns into action, jumped from their horses, reinforced...